| Last Name | First Name | Title | Patent Number | City | County | Year |
|---|---|---|---|---|---|---|
| Adams | Carrie | toaster | 858937 | Eagle Grove | Wright | 1907 |
| Aldrich | Charles | Fence post platform attachment device | 9004423 | Clarion | Wright | 2015 |
| Aldrich | R.E. | bale conveyer for rotary baler | 2589837 | Belmond | Wright | 1952 |
| Aldrich | Charles | Precision decimal inch tape measure | 11796294 | Clarion | Wright | 2023 |
| Allen | Eugene | method of and means for cleaning and repairing crank case oil tubes | 1430527 | Clarion | Wright | 1922 |
| Allen | Eugene | safety crossing device | 2163980 | Clarion | Wright | 1939 |
| Anderson | Jeffrey | multiple sport training device | 4533138 | Belmond | Wright | 1985 |
| Andrews | Le3slie | Board game | D993321 | Rowan | Wright | 2023 |
| Arch | Charles | machine for grading railways & c. | 517559 | Eagle Grove | Wright | 1894 |
| Banks | Minnie | electrically heated kitchen utensil | 4139760 | Clarion | Wright | 1979 |
| Barden | Frederick | farm gate | 663152 | Eagle Grove | Wright | 1900 |
| Baum | Henry | connecter for electrical appliances | 1894751 | Clarion | Wright | 1933 |
| Beck | Riley | water circulator and air moistener for water cooled internal combustion engines | 1623229 | Dows | Wright | 1927 |
| Beckett | William | furnace for melting scrap metal | 3567201 | Clarion | Wright | 1971 |
| Bender | Henry | mail bag deliverer | 1067395 | Eagle Grove | Wright | 1913 |
| Bergfald | Oren | soil gas detecting apparatus | 3084553 | Clarion | Wright | 1963 |
| Berrien | Francis | curb | 803390 | Belmond | Wright | 1905 |
| Bohning | Kermit | inbred corn line be9515 | 7411117 | Belmond | Wright | 2008 |
| Bohning | Kermit | inbred corn line be4547 | 6084163 | Belmond | Wright | 2000 |
| Bohning | Kermit | inbred corn line be4207 | 6632986 | Belmond | Wright | 2003 |
| Bohning | Kermit | inbred corn line be8736 | 6933426 | Belmond | Wright | 2005 |
| Bohning | Kermit | inbred corn line be9514 | 7176361 | Belmond | Wright | 2007 |
| Bohning | Kermit | Inbred corn line BE9513 | 7714203 | Belmond | Wright | 2010 |
| Bohning | Kermit | inbred corn line SLB01 | 7632991 | Belmond | Wright | 2009 |
| Bohning | Kermit | Inbred corn line SLB28 | 7795511 | Belmond | Wright | 2010 |
| Bonde | Randall | adjustable chaff spreader for combine | 5433664 | Belmond | Wright | 1995 |
| Bonde | Randall | model airplane builders jig | 5335900 | Belmond | Wright | 1994 |
| Braden | John | grain loading machine | 962194 | Rowan | Wright | 1910 |
| Braden | John | tree protector | 605776 | Rowan | Wright | 1898 |
| Braden | John | wheel harrow | 454843 | Belmond | Wright | 1891 |
| Bradshaw | Bruce | golf bag carrying case | 6315115 | Clarion | Wright | 2001 |
| Bradshaw | Bruce | Golf ball mark repair tool | 9114289 | Clarion | Wright | 2015 |
| Bradshaw | Bruce | method and apparatus for a golf club head cover | 6820665 | Clarion | Wright | 2004 |
| Bradshaw | Bruce | golf club head cover | 534601 | Clarion | Wright | 2007 |
| Bradshaw | Bruce | golf club head cover | 469491 | Clarion | Wright | 2003 |
| Bradshaw | Bruce | golf ball mark repair tool | 7611426 | Clarion | Wright | 2009 |
| Bradshaw | Bruce | method and apparatus for a golf club head cover | 7188647 | Clarion | Wright | 2007 |
| Bradshaw | Bruce | golf club head cover | 469835 | Clarion | Wright | 2003 |
| Bradshaw | Bruce | Golf towel | 8851090 | Clarion | Wright | 2014 |
| Bradshaw | Bruce | Golf towel | D624347 | Clarion | Wright | 2010 |
| Bradshaw | Bruce | golf bag carrying case | 421838 | Clarion | Wright | 2000 |
| Bradshaw | Bruce | golf club head cover | 432193 | Clarion | Wright | 2000 |
| Bradshaw | Bruce | Golf ball mark repair tool | D637677 | Clarion | Wright | 2011 |
| Bradshaw | Bruce | golf club head cover | 6230886 | Clarion | Wright | 2001 |
| Bradshaw | Bruce | golf club head cover | 477042 | Clarion | Wright | 2003 |
| Bradshaw | Bruce | golf bag carrying case with club head protection and method for using same | 6161698 | Clarion | Wright | 2000 |
| Bradshaw | Bruce | Method and apparatus for a golf club head cover | 7686048 | Clarion | Wright | 2010 |
| Bradshaw | Bruce | golf divot repair tool | 518864 | Clarion | Wright | 2006 |
| Brede | Robert | standoff rod and bracing means for electric cables or the like | 3240863 | Dows | Wright | 1966 |
| Bretey | Eric | low input torque rotor for vane pump | 7467935 | Rowan | Wright | 2008 |
| Brewer | Willie | refuse collecting and dispensing vehicle | 3908848 | Clarion | Wright | 1975 |
| Brooks | Fred | evener | 1089927 | Rowan | Wright | 1914 |
| Brower | William | loading apparatus | 1064126 | Belmond | Wright | 1913 |
| Brown | Millard | corn harvesting machine | 1908952 | Eagle Grove | Wright | 1933 |
| Brown | Millard | corn harvester | 1487916 | Eagle Grove | Wright | 1924 |
| Browne | Millard | hog greaser | 1886635 | Eagle Grove | Wright | 1932 |
| Bullard | Will | carving board | 943767 | Belmond | Wright | 1909 |
| Bunn | Charles | stirring device | 2092353 | Clarion | Wright | 1937 |
| Bunnell | Donald | snow removal tool | 265169 | Belmond | Wright | 1982 |
| Butterfield | John | Traffic signal | 1601428 | Belmond | Wright | 1926 |
| Butterfield | John | wheel attachment | 967723 | Belmond | Wright | 1910 |
| Butterfield | John | anitskidding attachment | 1053971 | Belmond | Wright | 1913 |
| Caird | Stephen | process for providing valve members having varied microstructure | 4741080 | Belmond | Wright | 1988 |
| Campbell | Harry | milk strainer | 1548509 | Goldfield | Wright | 1925 |
| Cannon | Thomas | feed attachment for printing presses | 667765 | Belmond | Wright | 1901 |
| Canon | Lydia | yeast powder box | 638319 | Belmond | Wright | 1899 |
| Carey | John | neck yoke center | 349383 | Eagle Grove | Wright | 1886 |
| Castillo | Alexander | Spray boom height control system | 9148995 | Clarion | Wright | 2015 |
| Christensen | Christian | shoe sole stiffener and arch support | 1525372 | Eagle Grove | Wright | 1925 |
| Clausen | Fritz | net weight scale beam | 971829 | Goldfield | Wright | 1910 |
| Cooley | Frank | combined vehicle safety lights ensemble and mounting bracket therefor | 229773 | Eagle Grove | Wright | 1974 |
| Cramer | Don | planter hitch frame assembly | 3177828 | Clarion | Wright | 1965 |
| Crawford | Matthew | mechanical motion | 1507908 | Belmond | Wright | 1924 |
| Crosby | Clemon | decapper for bottles | 1756730 | Belmond | Wright | 1930 |
| Cullinan | John | soil gas detecting apparatus | 3084553 | Clarion | Wright | 1963 |
| Dames | Matthew | Agricultural inter-seeder rotor | 9723774 | Clarion | Wright | 2017 |
| Dames | Matthew | Agricultural vehicle including ride height adjustable suspension | 10556476 | Clarion | Wright | 2020 |
| Dames | Matthew | Low pivoting boom assembly | 9374992 | Clarion | Wright | 2016 |
| Dames | Matthew | Agricultural inter-seeder rotor | 9451738 | Clarion | Wright | 2016 |
| Dames | Matthew | Variable tread width vehicle | 9346497 | Clarion | Wright | 2016 |
| Dames | Matthew | Agricultural toolbar transport system | 9010451 | Clarion | Wright | 2015 |
| Dames | Matthew | Agricultural toolbar transport system | 9010451 | Clarion | Wright | 2015 |
| Dames | Matthew | Agricultural inter-seeder rotor | 9743571 | Clarion | Wright | 2017 |
| De Laney | Leo | milking machine | 1021578 | Belmond | Wright | 1912 |
| DeWitt | Ellis | trip release for a hitch | 2737400 | Clarion | Wright | 1956 |
| Elder | Walter | coin separator and distributer | 574528 | Clarion | Wright | 1897 |
| Elder | Walter | coin separator and distributer | 574528 | Clarion | Wright | 1897 |
| Elliot | Charles | wheel harrow | 454843 | Belmond | Wright | 1891 |
| Erickson | Obi | animated figure toy | 2015009 | Eagle Grove | Wright | 1935 |
| Etienne | John | boiler compound feeder | 1221851 | Clarion | Wright | 1917 |
| Farran | Duncan | chain applicator | 1404690 | Rowan | Wright | 1922 |
| Finley | James | fly net for horses | 495730 | Clarion | Wright | 1893 |
| Fisher | Norman | pneumatic cushion | 2199047 | Eagle Grove | Wright | 1940 |
| Fleek | Nicholas | hay loader | 232397 | Goldfield | Wright | 1880 |
| Frost | Robert | building block | 757033 | Dows | Wright | 1904 |
| Frost | Robert | wall construction | 781820 | Dows | Wright | 1905 |
| Frost | Robert | mold | 805418 | Dows | Wright | 1905 |
| Frost | Robert | clip | 806076 | Dows | Wright | 1905 |
| Frost | Robert | machine for forming concrete building blocks | 772563 | Dows | Wright | 1904 |
| Fryslie | Andrew | combined weather strip and threshold | 672759 | Dows | Wright | 1901 |
| Fulton | John | cot holder for emergency vehicles | 3005656 | Belmond | Wright | 1961 |
| Furuseth | Loyd | spring wheel | 1090703 | Belmond | Wright | 1914 |
| Furuseth | Ole | fruit drier | 1093044 | Belmond | Wright | 1914 |
| Galloway | George | ash tray and shield | 1485384 | Belmond | Wright | 1924 |
| Gardalen | Oliver | clutch release for tractors | 1448623 | Dows | Wright | 1923 |
| Gibbs | William | bench-plane | 303338 | Clarion | Wright | 1884 |
| Giles | Harvey | car coupling | 331126 | Dows | Wright | 1885 |
| Graham | Andrew | wagon end gate | 274757 | Clarion | Wright | 1883 |
| Graves | Carl | float controlled switch | 2335055 | Clarion | Wright | 1943 |
| Graves | Carl | highway crossing signal system | 1568219 | Clarion | Wright | 1926 |
| Graves | Carl | highway crossing signal system | 1568220 | Clarion | Wright | 1926 |
| Graves | Carl | actuating device for railway crossing signals | 1550159 | Clarion | Wright | 1925 |
| Graves | Carl | battery terminal connection clamp | 2156013 | Clarion | Wright | 1939 |
| Graves | Carl | highway crossing signal for railways | 1506630 | Clarion | Wright | 1924 |
| Grenard | Lone | buggy pole | 1114756 | Eagle Grove | Wright | 1914 |
| Gutierrez | Antonio | process for providing valve members having varied microstructure | 4741080 | Belmond | Wright | 1988 |
| Haggen | Andrew | sectional folding boat | 588986 | Eagle Grove | Wright | 1897 |
| Hagie | Alan | Agricultural sprayer | 7669675 | Clarion | Wright | 2010 |
| Hagie | Raymond | corn detasseling machine | 2508605 | Clarion | Wright | 1950 |
| Hagie | Raymond | crop height sensing assembly for mechanical detasseling devices | 4197694 | Clarion | Wright | 1980 |
| Hall | Andy | clothes line reel and stretcher | 760450 | Eagle Grove | Wright | 1904 |
| Hall | Joseph | safety vault lock | 1646138 | Eagle Grove | Wright | 1927 |
| Hall | Joseph | vault latch | 1708120 | Eagle Grove | Wright | 1929 |
| Hansen | Daniel | ornamental house number | 2584699 | Eagle Grove | Wright | 1952 |
| Hanson | Jerry | trailer | 3348712 | Eagle Grove | Wright | 1967 |
| Hanson | Bennie | adjustable wagon tongue | 1100370 | Eagle Grove | Wright | 1914 |
| Hanson | Bennie | buggy pole | 1114756 | Eagle Grove | Wright | 1914 |
| Harding | Dale | invalid aid stand | 3310817 | Eagle Grove | Wright | 1967 |
| Harr | John | type writing machine | 442973 | Belmond | Wright | 1890 |
| Harr | Dock | type writing machine | 442973 | Belmond | Wright | 1890 |
| Harr | Dock | game board | 464098 | Belmond | Wright | 1891 |
| Hathway | Byron | automatic air supply device | 1175757 | Woolstock | Wright | 1916 |
| Hawley | William | hame tug coupling | 368919 | Eagle Grove | Wright | 1887 |
| Hayes | Calvin | roll paper holder and cutter | 430018 | Goldfield | Wright | 1890 |
| Henry | Jack | silage preservative | 3968259 | Eagle Grove | Wright | 1976 |
| Hewett | S. | wire fence key | 75759 | Eagle Grove | Wright | 1868 |
| Heykants | Lambertus | free standing portable stairway railing device | 4243207 | Belmond | Wright | 1981 |
| Hill | Arthur | vehicle awning | 1746310 | Belmond | Wright | 1930 |
| Hill | Arthur | automatic elcetric railway switching device | 888929 | Belmond | Wright | 1908 |
| Hill | Nels | manure spreader | 721189 | Eagle Grove | Wright | 1903 |
| Hill | Herbert | watch | 1420261 | Belmond | Wright | 1922 |
| Hill | Arthur | electric conductor take up | 1340268 | Belmond | Wright | 1920 |
| Holtzbauer | Mathias | clutch pedal mechanism for automobiles | 1484266 | Belmond | Wright | 1924 |
| Holtzbauer | Mathias | milking machine | 1021578 | Belmond | Wright | 1912 |
| Hubbard | Ezra | sash fastener | 390022 | Belmond | Wright | 1888 |
| Hunt | Ostman | valve | 949899 | Eagle Grove | Wright | 1910 |
| Hunt | Osman | truing machine | 991996 | Eagle Grove | Wright | 1911 |
| Hunt | Osman | car mover | 991997 | Eagle Grove | Wright | 1911 |
| Hunt | Osman | commutator truing machine | 945784 | Eagle Grove | Wright | 1910 |
| Hunt | Osman | commutator truing machine | 971753 | Eagle Grove | Wright | 1910 |
| Huston | William | emergency chain for cars | 1184241 | Eagle Grove | Wright | 1916 |
| Jensen | Harald | music teaching apparatus | 3460426 | Rowan | Wright | 1969 |
| Jetmund | Charles | brush holder attachment for buckets | 1286014 | Dows | Wright | 1918 |
| Jewett | Eugene | spade attachment | 804130 | Eagle Grove | Wright | 1905 |
| Jewett | Eugene | spade step | 1018424 | Eagle Grove | Wright | 1912 |
| Jewett | Eugene | grading machine | 1021047 | Eagle Grove | Wright | 1912 |
| Jewett | Eugene | spade | 809807 | Eagle Grove | Wright | 1906 |
| Johnson | Cyril | front wheel suspension high clearence frame | 3558148 | Clarion | Wright | 1971 |
| Johnson | Cyril | vehicle frame | 3168331 | Clarion | Wright | 1965 |
| Jones | William | coffee and tea pot | 320561 | Woolstock | Wright | 1885 |
| Jones | William | window screen | 553244 | Woolstock | Wright | 1896 |
| Jorgensen | Gordon | magazine socket wrench | 2605666 | Clarion | Wright | 1952 |
| Jorgensen | Irvin | magazine socket wrench | 2605666 | Clarion | Wright | 1952 |
| Jorgensen | Gordon | motor operated nut runner provided with magazine storage means | 2868053 | Clarion | Wright | 1959 |
| Keen | Willie | safety fuse device | 2186112 | Goldfield | Wright | 1940 |
| Keena | Daniel | baling press | 444194 | Eagle Grove | Wright | 1891 |
| Keith | Robert | evener | 1089927 | Rowan | Wright | 1914 |
| Kercheval | Fred | pencil sharpener hone | 2009735 | Rowan | Wright | 1935 |
| Kinghan | Frederick | horseshoe | 1229973 | Eagle Grove | Wright | 1917 |
| Kintzi | Eldor | snow removal tool | 265169 | Belmond | Wright | 1982 |
| Kirkeberg | Carl | harrow attachment for corn cultivators | 856471 | Eagle Grove | Wright | 1907 |
| Kirstein | John | measuring stock feeding trough | 863071 | Clarion | Wright | 1907 |
| Kobes | Jason | System and method for providing a scalable semantic mechanism for policy-driven assessment and effective action taking on dynamically changing data | 10521747 | Belmond | Wright | 2019 |
| Kyseth | George | stirring device | 2092353 | Clarion | Wright | 1937 |
| Kyseth | George | package opener | 2132741 | Clarion | Wright | 1938 |
| Lalor | Fred | safety crossing device | 2163980 | Eagle Grove | Wright | 1939 |
| Larsen | John | stacker | 1052068 | Goldfield | Wright | 1913 |
| Larson | John | horse evener | 795140 | Clarion | Wright | 1905 |
| Leigh | Arthur | clothes pounder | 626658 | Dows | Wright | 1899 |
| Leu | Jacob | fishhook | 1613113 | Belmond | Wright | 1927 |
| Linebarger | Jonathan | plow | 472302 | Clarion | Wright | 1892 |
| Lingenfelter | Newton | Autonomous or remote-controlled vehicle platform for spraying | 10172274 | Clarion | Wright | 2019 |
| Lingenfelter | Newton | Autonomous or remote-controlled vehicle platform for spraying | 10813263 | Clarion | Wright | 2020 |
| Littlefield | Leo | sickle sharpener | 2298394 | Clarion | Wright | 1942 |
| Luehrmann | Edward | universal control console | 5350140 | Eagle Grove | Wright | 1994 |
| MacNaughton | Luther | envelop | 1041827 | Eagle Grove | Wright | 1912 |
| McAllister | John | clutch operating device for tractors | 1525683 | Dows | Wright | 1925 |
| McAlpine | Frances | bale conveyer for rotary baler | 2589837 | Rowan | Wright | 1952 |
| McAlpine | Melvin | bale conveyer for rotary baler | 2589837 | Rowan | Wright | 1952 |
| McCallum | John | threshing machine | 1075985 | Goldfield | Wright | 1913 |
| McCallum | John | removing snow from roadways | 2118851 | Goldfield | Wright | 1938 |
| McCallum | John | road maintenance machine | 1871542 | Goldfield | Wright | 1932 |
| McCallum | John | rotary snow plow | 1593585 | Goldfield | Wright | 1926 |
| McDermott | Christopher | walking aid for youngsters | 2724193 | Eagle Grove | Wright | 1955 |
| Mechem | Maurice | gate latch | 1548154 | Clarion | Wright | 1925 |
| Mechem | Maurice | dripless pitcher | 164310 | Clarion | Wright | 1951 |
| Meier | August | road grader | 802888 | Woolstock | Wright | 1905 |
| Mickelson | Arthur | float controlled switch | 2335055 | Clarion | Wright | 1943 |
| Middleton | Claude | traction wheel | 1312740 | Eagle Grove | Wright | 1919 |
| Miller | Michael | Agricultural vehicle including ride height adjustable suspension | 10556476 | Clarion | Wright | 2020 |
| Mussman | Richard | bracket for snow shovel | 7216907 | Clarion | Wright | 2007 |
| Mussman | Jeffrey | bracket for snow shovel | 7216907 | Clarion | Wright | 2007 |
| Myers | James | silage preservative | 3968259 | Eagle Grove | Wright | 1976 |
| Nelson | Ida | belt | 1285325 | Eagle Grove | Wright | 1918 |
| Norton | Benjamin | shade and reflector for electric lights | 851627 | Eagle Grove | Wright | 1907 |
| Olson | Ryan | Bridge tube support | 11028585 | Dows | Wright | 2021 |
| Olson | Ladell | combined vehicle safety lights ensemble and mounting bracket therefor | 229773 | Eagle Grove | Wright | 1974 |
| Olson | Ryan | Floating direct drive sweep assembly | 9327921 | Dows | Wright | 2016 |
| Olson | Ryan | Paddle sweep | 10377573 | Dows | Wright | 2019 |
| Olson | Ryan | Track driven sweep system for grain bins | 12089537 | Dows | Wright | 2024 |
| Olson | Ryan | Sweep system for full elevated floor grain bins | 12275604 | Dows | Wright | 2025 |
| Olson | Ryan | Hanger bearing assembly | 9752621 | Dows | Wright | 2017 |
| Olson | Ryan | Paddle sweep | 10836582 | Dows | Wright | 2020 |
| Olson | Ryan | Sweep auger drive shield with gravity reclaim | 12304757 | Dows | Wright | 2025 |
| Olson | Ryan | Sweep auger drive shield with gravity reclaim | 11414281 | Dows | Wright | 2022 |
| Olson | Ryan | Sweep auger drive shield with gravity reclaim | 10654668 | Dows | Wright | 2020 |
| Olson | Ryan | Sweep auger drive shield with gravity reclaim | 11708227 | Dows | Wright | 2023 |
| Olson | Ryan | Press on sweep wheel treads | 11608236 | Dows | Wright | 2023 |
| Olson | Gary | stackable container system for flowable materials | 5653354 | Clarion | Wright | 1997 |
| Olson | Ryan | Sweep system for full elevated floor grain bins | 11337374 | Dows | Wright | 2022 |
| Olson | Gary | collapsible stackable container system for flowable materials | 5722552 | Clarion | Wright | 1998 |
| Overbaugh | Charles | dental floss holder | 844181 | Clarion | Wright | 1907 |
| Paine | Harry | tire chain fastener and lock | 1511917 | Eagle Grove | Wright | 1924 |
| Paine | Harry | tire chain lock and elastic take up | 1462666 | Eagle Grove | Wright | 1923 |
| Paine | Henry | valve spring compressing tool | 1401920 | Eagle Grove | Wright | 1921 |
| Paine | Henry | lifting tool for explosion engine valve rocker arms | 1357817 | Eagle Grove | Wright | 1920 |
| Paine | Harry | tire chain lock and elastic take-up | 1374771 | Eagle Grove | Wright | 1921 |
| Payne | William | lineman's staff | 1655876 | Eagle Grove | Wright | 1928 |
| Pinion | Alfred | ditching plow | 721230 | Clarion | Wright | 1903 |
| Pond | Linnaeus | lubricator | 579008 | Belmond | Wright | 1897 |
| Puls | Julius | friction heating apparatus for polishing wheels | 1417202 | Eagle Grove | Wright | 1922 |
| Rana | Ashok | Agricultural toolbar transport system | 9010451 | Clarion | Wright | 2015 |
| Rana | Ashok | Agricultural toolbar transport system | 9010451 | Clarion | Wright | 2015 |
| Reasoner | Casper | automatic wagon brake | 1467499 | Dows | Wright | 1923 |
| Rice | Francis | automatic electric railway switching device | 888929 | Dows | Wright | 1908 |
| Robinson | Nathaniel | transmission gearing | 1010804 | Woolstock | Wright | 1911 |
| Robinson | Justin | road grader | 802888 | Woolstock | Wright | 1905 |
| Robinson | Nathaniel | road grader | 802888 | Woolstock | Wright | 1905 |
| Robinson | Nathaniel | band cutter and feeder for corn shredders and huskers | 733275 | Woolstock | Wright | 1903 |
| Robinson | Nathaniel | transmission gearing | 1195502 | Woolstock | Wright | 1916 |
| Robinson | Marion | float valve | 2842158 | Clarion | Wright | 1958 |
| Robinson | Nathaniel | friction power transmission | 1036007 | Woolstock | Wright | 1912 |
| Rodriguez | Alfonzo | multiple sport training device | 4533138 | Belmond | Wright | 1985 |
| Roy | Melvin | apparatus for use with a combine to destroy the germination of weed seeds | 3448933 | Clarion | Wright | 1969 |
| Sands | John | lumber measure and register | 370212 | Belmond | Wright | 1887 |
| Sauerman | William | hanger for hats and other articles | 1257406 | Belmond | Wright | 1918 |
| Saylor | Barton | apparatus and method for converting a stock trailer into a horse trailer | 6477985 | Belmond | Wright | 2002 |
| Schaffer | James | wheel support system for agricultural sprayer | 6491306 | Clarion | Wright | 2002 |
| Schaffer | James | steering system for variable height agricultural sprayer | 6371237 | Clarion | Wright | 2002 |
| Schaffer | James | Variable tread width vehicle | 9346497 | Clarion | Wright | 2016 |
| Schensted | Roy | projector for motion pictures in color and in three dimensions | 2270198 | Clarion | Wright | 1942 |
| Schensted | Roy | method of photographing and projecting stereoscopic motion pictures in natural color with the use of color corrected black and white film | 2279281 | Clarion | Wright | 1942 |
| Schensted | Roy | stereoscopic motion pictures in colors | 2283466 | Clarion | Wright | 1942 |
| Schnittjer | Edward | three-point tandem hitch | 3489430 | Clarion | Wright | 1970 |
| Schoonover | Harrison | copy holder for photographic purposes | 714334 | Eagle Grove | Wright | 1902 |
| Schultz | Adelbert | quick change pump rod connection | 1642464 | Clarion | Wright | 1927 |
| Schultz | Adelbert | quick change pump-jack head | 1705839 | Clarion | Wright | 1929 |
| Schwartz | Henry | windrower | 2480777 | Eagle Grove | Wright | 1949 |
| Shelton | Britt | corn head with reel device and method of use | 7377091 | Woolstock | Wright | 2008 |
| Short | Harry | toy | 71946 | Eagle Grove | Wright | 1927 |
| Smith | Arthur | wire stretcher | 769027 | Goldfield | Wright | 1904 |
| Smith | Arthur | wire stretcher | 811254 | Eagle Grove | Wright | 1906 |
| Smith | George | rail retainer | 1120098 | Eagle Grove | Wright | 1914 |
| Smith | Charles | hand truck | 342978 | Belmond | Wright | 1886 |
| Smith | Arthur | tire chain fastener and lock | 1511917 | Eagle Grove | Wright | 1924 |
| Smith | Arthur | tire chain lock and elastic take up | 1462666 | Eagle Grove | Wright | 1923 |
| Smith | Arthur | wire stretcher | 12484 | Goldfield | Wright | 1906 |
| Smith | Arthur | tire chain lock and elastic take-up | 1374771 | Eagle Grove | Wright | 1921 |
| Sorey | Arthur | bed spring | 672863 | Clarion | Wright | 1901 |
| Speight | Charles | pulley | 1122324 | Clarion | Wright | 1914 |
| Spengler | John | car mover | 285698 | Clarion | Wright | 1883 |
| Stephas | Edwin | Method of feeding young monogastric mammals | 9723861 | Eagle Grove | Wright | 2017 |
| Stephas | Edwin | Method of feeding young monogastric mammals and compositions fed to young monogastric mammals | 10477881 | Eagle Grove | Wright | 2019 |
| Stephas | Edwin | Method of feeding young monogastric mammals and composition fed to young monogastric mammals | 9420807 | Eagle Grove | Wright | 2016 |
| Stephens | Daniel | hay stacker | 474422 | Thrall | Wright | 1892 |
| Stice | Fred | vending machine | 1372841 | Eagle Grove | Wright | 1921 |
| Stine | Robert | hide cleaning tool | 1383873 | Eagle Grove | Wright | 1921 |
| Stout | John | battery terminal connection clamp | 2156013 | Clarion | Wright | 1939 |
| Suhocki | Christopher | Supercharger-based twin charging system for an engine | 9840972 | Belmond | Wright | 2017 |
| Sullivan | Owen | machine for moving snow | 805684 | Belmond | Wright | 1905 |
| Taber | John | bench-plane | 303338 | Clarion | Wright | 1884 |
| Teufel | Christoph | storm door | 346788 | Woolstock | Wright | 1886 |
| Teufel | Christoph | storm window | 341112 | Woolstock | Wright | 1886 |
| Thebiay | Edward | ankle brace for skaters | 584731 | Woolstock | Wright | 1897 |
| Thebiay | Art | blade and tooth structure for excavating buckets | 2617210 | Eagle Grove | Wright | 1952 |
| Thompson | Donald | fish mouth spreader | 2747321 | Belmond | Wright | 1956 |
| Thompson | George | fire hose wrench | 741082 | Belmond | Wright | 1903 |
| Thornley | Frederic | internal combustion engine | 1093659 | Clarion | Wright | 1914 |
| Thornley | Frederic | explosive engine | 1096968 | Clarion | Wright | 1914 |
| Tiede | Emil | ribbon clasp | 458425 | Belmond | Wright | 1891 |
| Tiede | Emil | ribbon clasp | 553084 | Belmond | Wright | 1896 |
| Triggs | Clarence | side discharge wagon box assembly | 3493265 | Belmond | Wright | 1970 |
| Triggs | Clarence | trailer | 270822 | Belmond | Wright | 1983 |
| Triggs | Clarence | trailer | 271093 | Belmond | Wright | 1983 |
| Trowbridge | William | soil gas detecting apparatus | 3084553 | Clarion | Wright | 1963 |
| Uhr | John | screen and storm door combined | 576634 | Eagle Grove | Wright | 1897 |
| Uhrig | Tim | Methods for increasing transformation frequency through the foliar application of copper amino acid chelate | 8367913 | Rowan | Wright | 2013 |
| Umbreit | Fredrich | railway crossing | 750913 | Clarion | Wright | 1904 |
| Umbreit | Frederick | ditching machine | 1000309 | Clarion | Wright | 1911 |
| Underkofler | Jesse | animal stock | 490053 | Belmond | Wright | 1893 |
| Vulgamott | James | conveyer | 1204620 | Woolstock | Wright | 1916 |
| Waddell | Westley | claw bar | 977986 | Eagle Grove | Wright | 1910 |
| Waddell | John | table | 531236 | Eagle Grove | Wright | 1894 |
| White | Emory | check row corn planter | 294555 | Clarion | Wright | 1884 |
| White | Joseph | seed and ground tester | 1423979 | Clarion | Wright | 1922 |
| Wilcox | Thomas | hand plow | 778294 | Clarion | Wright | 1904 |
| Williams | James | Drop-down applicators for an agricultural sprayer | 11751557 | Clarion | Wright | 2023 |
| Williams | James | high clearance fertilizer application system | 7077070 | Clarion | Wright | 2006 |
| Williams | James | Drop-down applicators for an agricultural sprayer | 11324213 | Clarion | Wright | 2022 |
| Williams | Francis | grain elevator and cleaner | 318674 | Dows | Wright | 1885 |
| Williams | James | Agricultural toolbar transport system | 9010451 | Clarion | Wright | 2015 |
| Williams | James | agricultural toolbar float system | 7178605 | Clarion | Wright | 2007 |
| Williams | James | Agricultural toolbar transport system | 9010451 | Clarion | Wright | 2015 |
| Willix | Enos | carpet stretcher | 343412 | Dows | Wright | 1886 |
| Wilson | Lewis | spray holder for caskets | 2234512 | Eagle Grove | Wright | 1941 |
| Wilson | Roy | portable traffic control device | 2486655 | Clarion | Wright | 1949 |
| Woodruff | Kenneth | detasseling device depth adjusting control system and method | 4197691 | Clarion | Wright | 1980 |
| Woodruff | Kenneth | crop height sensing assembly for mechanical detasseling devices | 4197694 | Clarion | Wright | 1980 |
| Worley | George | stacker | 715232 | Goldfield | Wright | 1902 |
| Yearous | Allhen | show stand | 22569 | Eagle Grove | Wright | 1893 |
| Zastrow | Friedrich | cultivator | 841840 | Clarion | Wright | 1907 |
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