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Inventors Patents, 1871-2022
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| Name | Invention Title | Patent Number | Residence | Year Issued |
|---|---|---|---|---|
| Aeling, Edward | unloading device | 995937 | Ringsted | 1911 |
| Akre, Odd | weather strip | 891652 | Wallingford | 1908 |
| Bailey, Reuben | hog trough | 600763 | Estherville | 1898 |
| Baker, Monty | folding fish and animal capturing net apparatus | 6101756 | Estherville | 2000 |
| Baker, Monty | rod-shaped hinges and articles incorporating same | 5941011 | Estherville | 1999 |
| Baker, Monty | folding fish and animal capturing net apparatus | 6101756 | Estherville | 2000 |
| Baker, Monty | rod-shaped hinges and articles incorporating same | 5941011 | Estherville | 1999 |
| Beebe, Robert | fly casting line with tapered cellular waterproof plastic coating | 2862282 | Estherville | 1958 |
| Benson, James | automatic tractor hitch | 2671673 | Ringsted | 1954 |
| Benson, James | shim | 1549435 | Ringsted | 1925 |
| Bowman, George | drum and cymbal beater | 1138839 | Estherville | 1915 |
| Carter, Robert | Pull-down planter hanger | 8245441 | Estherville | 2012 |
| Carter, Robert | Pull-down plant hanger | D624394 | Estherville | 2010 |
| Carter, Robert | Pull-down planter hanger | 8245441 | Estherville | 2012 |
| Carter, Robert | Pull-down plant hanger | D624394 | Estherville | 2010 |
| Caswell, Donald | pop corn machine | 2721510 | Ringsted | 1955 |
| Chipman, Donald | hydraulic jack | 4174095 | Estherville | 1979 |
| Christiansen, Nels | flexible hinged drawbar for harrows | 1784576 | Ringsted | 1930 |
| Christiansen, Niels | marker for corn planters | 851798 | Ringsted | 1907 |
| Clark, Ralph | electric fluting machine | 2064732 | Estherville | 1936 |
| Clark, Lucie | electric fluting machine | 2064732 | Estherville | 1936 |
| Clark, Frank | reversible sifter | 1795835 | Dolliver | 1931 |
| Clark, Frank | sifter | 1807687 | Dolliver | 1931 |
| Clark, Ralph | lawn mower | 1775421 | Estherville | 1930 |
| Clark, Ralph | telescoping ladder | 1731611 | Estherville | 1929 |
| Clark, Frank | reversible sifter | 1737298 | Dolliver | 1929 |
| Cross, Gary | folding trailer for an all-terrain vehicle | 6286854 | Estherville | 2001 |
| Cross, Gary | all-terrain vehicle rack utility box | 6209941 | Estherville | 2001 |
| Cross, Gary | folding trailer for an all-terrain vehicle | 6254117 | Estherville | 2001 |
| Cross, Gary | atv lift handle | 5967241 | Estherville | 1999 |
| Cross, Gary | three-point hitch for an all terrain vehicle | 5746275 | Estherville | 1998 |
| Cross, Gary | dolly for moving a snowmobile | 5716061 | Estherville | 1998 |
| Cross, Gary | atv lift handle rub block | 5615745 | Estherville | 1997 |
| Cross, Gary | folding trailer for an all-terrain vehicle | 6286854 | Estherville | 2001 |
| Cross, Gary | all-terrain vehicle rack utility box | 6209941 | Estherville | 2001 |
| Cross, Gary | folding trailer for an all-terrain vehicle | 6254117 | Estherville | 2001 |
| Cross, Gary | atv lift handle | 5967241 | Estherville | 1999 |
| Cross, Gary | three-point hitch for an all terrain vehicle | 5746275 | Estherville | 1998 |
| Cross, Gary | dolly for moving a snowmobile | 5716061 | Estherville | 1998 |
| Cross, Gary | atv lift handle rub block | 5615745 | Estherville | 1997 |
| Cuyler, George | boring bar | 1126715 | Estherville | 1915 |
| Denning, Joseph | wire fence | 617084 | Estherville | 1899 |
| Denning, Joseph | wire fence | 542185 | Estherville | 1895 |
| Devary, Sturgle | fuel supply means for internal combustion engines | 1613789 | Estherville | 1927 |
| Domek, Pamela | Pull-down planter hanger | 8245441 | Estherville | 2012 |
| Domek, Pamela | Pull-down plant hanger | D624394 | Estherville | 2010 |
| Domek, Pamela | Pull-down planter hanger | 8245441 | Estherville | 2012 |
| Domek, Pamela | Pull-down plant hanger | D624394 | Estherville | 2010 |
| Downs, Frank | apparatus for recovering meat from bones | 3671999 | Estherville | 1972 |
| Eidet, James | method and apparatus for controlling the approach angle of a plow unit in response to speed variations | 4141419 | Armstrong | 1979 |
| Everds, Francis | multi-blade planer | 2787846 | Estherville | 1957 |
| Falb, Charles | strengthener for eyeglass cases | 1302341 | Estherville | 1919 |
| Fox, Harold | transmission gear shifting attachment | 1608382 | Estherville | 1926 |
| Frettem, Palmer | flashlight | 2283430 | Estherville | 1942 |
| Friesner, Dave | Boom breakaway assembly | 7740190 | Estherville | 2010 |
| Friesner, Dave | Boom breakaway assembly | 7740190 | Estherville | 2010 |
| Gates, Olus | cattle tie | 606922 | Estherville | 1898 |
| Gates, Olus | hog catching and lifting machine | 572792 | Estherville | 1896 |
| Gates, Olus | baling press | 535754 | Estherville | 1895 |
| Goggin, Roy | ditch cleaning shovel | 861107 | Estherville | 1907 |
| Graaf, Margaret | clothes catcher and drainer | 1101176 | Estherville | 1914 |
| Graaf, Margaret | sewing machine cabinet | 837620 | Estherville | 1906 |
| Graaf, Margaret | spool rack | 591272 | Estherville | 1897 |
| Grout, Ransom | magazine camera | 638455 | Estherville | 1899 |
| Grout, Ransom | combined way bill, consignee's receipt, and agent's record envelop | 618662 | Estherville | 1899 |
| Guerdet, Jana | heating wrap | 474545 | Armstrong | 2003 |
| Guerdet, Jana | heating wrap | 474545 | Armstrong | 2003 |
| Halvorson, Carl | removable fog light | 2744998 | Ringsted | 1956 |
| Handeland, George | chemical tablet dispensing device for wells | 4235849 | Ringsted | 1980 |
| Handeland, George | chemical tablet dispensing device for wells | 3785525 | Ringsted | 1974 |
| Handeland, George | metering apparatus | 3521671 | Ringsted | 1970 |
| Handeland, George | water treating apparatus | 3386808 | Ringsted | 1968 |
| Hanson, Ole | boiler flue cleaner | 1099297 | Halfa | 1914 |
| Harvey, Edward | boat lift | 3021965 | Gruver | 1962 |
| Helmick, James | tractor mounted hydraulic control mechanism for an earth working tool | 4544176 | Estherville | 1985 |
| Hoffmeyer, Monte | golf shaft with bulge section | 5938542 | Estherville | 1999 |
| Hoffmeyer, Monte | golf shaft with bulge section | 5735753 | Estherville | 1998 |
| Hoffmeyer, Monte | golf shaft with bulge section | 5938542 | Estherville | 1999 |
| Hoffmeyer, Monte | golf shaft with bulge section | 5735753 | Estherville | 1998 |
| Holcomb, Samuel | furnace door operating mechanism | 934529 | Estherville | 1909 |
| Howard, William | beet harvester | 1436502 | Estherville | 1922 |
| Jacobson, Dale | adjustable window blind | 3156956 | Estherville | 1964 |
| Janssen, Raymond | harrow cleaner | 1832555 | Estherville | 1931 |
| Jenison, John | inbred corn line M10138 | 7109404 | Estherville | 2006 |
| Jenison, John | inbred corn line M10138 | 7109404 | Estherville | 2006 |
| Jensen, John | fire and smoke alarm device | 3659278 | Estherville | 1972 |
| Jensen, John | fire and smoke alarm device | 3447152 | Estherville | 1969 |
| Jensen, John | door latch assembly | 3314704 | Estherville | 1967 |
| Jensen, John | combined smoke and fire alarm | 3153226 | Estherville | 1964 |
| Jensen, Henry | radiator for automobiles and the like | 1396633 | Estherville | 1921 |
| Jepsen, Jeffrey | Electric vehicle | 10603997 | Estherville | 2020 |
| John, Margaret | apparatus for cooking, broiling, baking, & c. | 514079 | Estherville | 1894 |
| Johnck, John | hobby horse | 597702 | Estherville | 1898 |
| Johnson, Nels | electric fence | 2396512 | Wallingford | 1946 |
| Johnson, Nels | wire splicing tool | 2147042 | Wallingford | 1939 |
| Johnson, Nels | cement post mold | 1407196 | Wallingford | 1922 |
| Johnson, Nels | head rest | 870179 | Wallingford | 1907 |
| Johnson, Olaf | cement block machine | 831077 | Estherville | 1906 |
| Johnson, Olof | building block and wall construction | 803290 | Estherville | 1905 |
| Jones, Walter | elastic storage tank and method for making the same | 3982573 | Armstrong | 1976 |
| Jones, Walter | life vest | 3931657 | Armstrong | 1976 |
| Jones, Walter | elastic storage tank | 3978901 | Armstrong | 1976 |
| Jones, Walter | method of making inflatable life raft | 3919027 | Armstrong | 1975 |
| Jones, Walter | elastic storage tank and method for making the same | 3919030 | Armstrong | 1975 |
| Kern, Vernon | guide for drive belts | 649370 | Estherville | 1900 |
| Ketchum, Amos | pitman connection | 121789 | Estherville | 1871 |
| Koenecke, Michael | spinning reel | 230590 | Estherville | 1974 |
| Koenecke, Michael | spinning reel | 231224 | Estherville | 1974 |
| Kollasch, William | split keyboard | 493464 | Armstrong | 2004 |
| Kollasch, William | split keyboard | 493464 | Armstrong | 2004 |
| Larsen, Henry | multiple station machine tool | 3082856 | Estherville | 1963 |
| Larsen, Magnus | wagon dump | 1333429 | Armstrong | 1920 |
| Layne, Bradley | Hub | D776038 | Armstrong | 2017 |
| Leaver, Lewis | draft equalizer | 1226541 | Armstrong | 1917 |
| Lieser, Leo | spark plug | 2068030 | Estherville | 1937 |
| Lightle, Neal | System and method for remotely monitoring the health of a transformer | 8849587 | Estherville | 2014 |
| Lightle, Neal | System and method for remotely monitoring the health of a transformer | 8849587 | Estherville | 2014 |
| Loeschen, Fred | insect trap | 1505651 | Estherville | 1924 |
| Lough, Arlando | concrete building block | 835027 | Estherville | 1906 |
| Lundgreen, Michael | digital hysteresis circuit | 3959730 | Estherville | 1976 |
| Lundgreen, Michael | coherent filter | 3833855 | Estherville | 1974 |
| Luscombe, Terry | vehicle mounted utility apparatus with quick attachment means | 7055912 | Armstrong | 2006 |
| Luscombe, Terry | vehicle mounted utility apparatus with quick attachment means | 7055912 | Armstrong | 2006 |
| Luscombe, Terry | hitch assembly for a tandem disc implement | 4552224 | Armstrong | 1985 |
| Luscombe, Terry | fireplace insert | 4441482 | Armstrong | 1984 |
| Luscombe, Arthur | fireplace stove | 250419 | Dolliver | 1978 |
| Luscombe, Arthur | wood-burning stove | 250540 | Dolliver | 1978 |
| Luscombe, Gene | stack forming vehicle | 4060028 | Dolliver | 1977 |
| Luscombe, Arthur | vehicle mounted boom apparatus | 4063359 | Armstrong | 1977 |
| Luscombe, Terry | inflatable boat | 3931655 | Armstrong | 1976 |
| Luscombe, Art | chopping implement | 3933314 | Armstrong | 1976 |
| Luscombe, Gene | stack forming device | 3907139 | Dolliver | 1975 |
| Luscombe, Gene | haystack wagon | 3840134 | Dolliver | 1974 |
| Luscombe, Gene | machine for comminuting glassware and the like | 3655138 | Dolliver | 1972 |
| Luscombe, Gene | machine for comminuting sheet and multi-sheet scrap materials | 3545689 | Dolliver | 1970 |
| Luscombe, Arthur | mixing machine for heavy fragmented materials such as silage | 3379417 | Dolliver | 1968 |
| Luscombe, Arthur | power transmission system for tractor powered implements | 3389609 | Armstrong | 1968 |
| Luscombe, Arthur | feed mixer apparatus | 3133727 | Armstrong | 1964 |
| Luscombe, Arthur | bearing protective structure for the auger of a feed mixer | 2980407 | Dolliver | 1961 |
| Luscombe, Arthur | portable feed mixer | 2896923 | Dolliver | 1959 |
| Maine, Herman | combined sound box and bridge | 1137649 | Estherville | 1915 |
| Markley, Arthur | disk scraper | 990576 | Estherville | 1911 |
| Martin, Jason | Systems and methods for acid recycle | 10731229 | Estherville | 2020 |
| Martinson, Milton | means for extracting the liguid from a cased well below the top end of the casing | 2689611 | Estherville | 1954 |
| McBride, Joseph | pail or package lining | 714320 | Estherville | 1902 |
| McCulla, William | grain separator | 192445 | Estherville | 1877 |
| Menssen, Leroy | camping utility stand | 4096951 | Estherville | 1978 |
| Miller, Charles | burglar alarm | 786912 | Estherville | 1905 |
| Miller, Charles | electric burglar alarm for vaults, safes, or the likes | 729952 | Estherville | 1903 |
| MItchell, David | cistern filter | 1200126 | Armstrong | 1916 |
| Monson, Bergie | football goal | 2076911 | Estherville | 1937 |
| Moritz, Ivan | portable stock warmer | 3041441 | Estherville | 1962 |
| Mortensen, Chris | flexible hinged drawbar for harrows | 1784576 | Ringsted | 1930 |
| Mustard, Eldie | portable dock | 3074239 | Estherville | 1963 |
| Natterstad, Henry | floating fluid barrier | 3547306 | Estherville | 1970 |
| Neitzke, Raymond | truck box cover | 2591186 | Estherville | 1952 |
| Nelson, Lewis | dumping body for vehicles | 1353062 | Wallingford | 1920 |
| Nelson, Fred | target clamp | 1017229 | Estherville | 1912 |
| Neuber, Walter | humidifier for hot water heating systems | 3401882 | Estherville | 1968 |
| Niemann, Harry | compressed air grease gun | 1312642 | Armstrong | 1919 |
| Niemoth, Theodore | weeding device | 1277998 | Estherville | 1918 |
| Nokes, Earl | necktie with simulated four-in-hand knot and tie tac therefor | 3761963 | Armstrong | 1973 |
| Nokes, Earl | apparatus for forming wheel rims | 3575035 | Armstrong | 1971 |
| Obbink, Brian | Automatic tensioning control deck plate system | 9867335 | Armstrong | 2018 |
| Obbink, Nicholas | Automatic tensioning control deck plate system | 9867335 | Armstrong | 2018 |
| Obbink, Scott | vehicle hoist and towing device | 4268213 | Armstrong | 1981 |
| Olsen, Joseph | folding chair | 1412194 | Estherville | 1922 |
| Osher, Nels | churn | 959877 | Estherville | 1910 |
| Packard, Charles | combination hay-grain feeder device | 4183472 | Estherville | 1980 |
| Pasley, Decatur | harness buckle | 878996 | Dolliver | 1908 |
| Pasley, Decatur | end gate fastener | 851557 | Dolliver | 1907 |
| Peter, Ralph | joist anchor | 1251276 | Estherville | 1917 |
| Post, William | wire fastener | 1028962 | Estherville | 1912 |
| Post, William | reversible valve mechanism | 1000193 | Estherville | 1911 |
| Quastad, Randy | Portable drop box | 11382445 | Estherville | 2022 |
| Quastad, Omer | tractor hitch | 2904348 | Estherville | 1959 |
| Reich, William | auto tail light | 1279003 | Estherville | 1918 |
| Ries, Landon | Genetic loci associated with reproductive growth phenotypes in soybean and methods of use | 11319599 | Armstrong | 2022 |
| Ries, Landon | Polynucleotides and kits associated with soybean iron deficiency tolerance and methods of detection and breeding | 11357185 | Armstrong | 2022 |
| Ries, Landon | Soybean variety 5PKDW89 | 11395468 | Armstrong | 2022 |
| Ries, Landon | Soybean variety 5PLWT07 | 11412695 | Armstrong | 2022 |
| Ries, Landon | Soybean variety 5PZQJ47 | 11432514 | Armstrong | 2022 |
| Ries, Landon | Soybean variety 5PKPU92 | 11457593 | Armstrong | 2022 |
| Ries, Landon | Soybean variety 5PUZE53 | 11483997 | Armstrong | 2022 |
| Ries, Landon | Soybean variety 5PDTH43 | 10905084 | Armstrong | 2021 |
| Ries, Landon | Soybean variety 5PBMA67 | 10966388 | Armstrong | 2021 |
| Ries, Landon | Soybean variety 5PKNB14 | 10986800 | Armstrong | 2021 |
| Ries, Landon | Soybean variety 5PLVQ64 | 11044881 | Armstrong | 2021 |
| Ries, Landon | Soybean variety 5PWYY47 | 11116165 | Armstrong | 2021 |
| Ries, Landon | Soybean variety 5PSEG45 | 10349599 | Armstrong | 2019 |
| Ries, Landon | Soybean variety 5PFDN24 | 10512237 | Armstrong | 2019 |
| Ries, Landon | Soybean variety 5PACC71 | 10226025 | Armstrong | 2019 |
| Ries, Landon | Compositions associated with soybean reproductive growth and methods of use | 9807951 | Armstrong | 2017 |
| Ritten, Louis | poison bottle stopper | 810676 | Estherville | 1906 |
| Rolfson, Emmet | apparatus for confining floating pollutants | 3764015 | Estherville | 1973 |
| Sabin, Walter | fence post driver and puller | 2657010 | Dolliver | 1953 |
| Sabin, Luverne | fence post driver and puller | 2657010 | Dolliver | 1953 |
| Sanders, Leo | ice cream disher | 1888739 | Estherville | 1932 |
| Satern, Steven | Rifle to fire pistol cartridges | 10788276 | Estherville | 2020 |
| Schaper, Otto | anti-clogging attachment for moldboard plows | 3503449 | Estherville | 1970 |
| Schaper, Otto | tractor mounting for agricultural implements | 3305028 | Estherville | 1967 |
| Schroeder, Douglas | Separated drive and sealing device for screw conveyor | 9376262 | Estherville | 2016 |
| Schroeder, Douglas | pneumatic material handling system for combines | 4441511 | Estherville | 1984 |
| Shenefelt, Francis | ditching machine | 847703 | Estherville | 1907 |
| Sidles, Dwayne | hydraulic lift jack | 3622124 | Estherville | 1971 |
| Sidles, Kenneth | hydraulic lift jack | 3622124 | Estherville | 1971 |
| Skowbo, Arthur | shaving brush | 1143451 | Armstrong | 1915 |
| Sorensen, Thorwald | neck yoke | 977482 | Ringsted | 1910 |
| Taylor, Howard | Continuous longitudinal flow root crop harvesting | 8074434 | Armstrong | 2011 |
| Taylor, Howard | continuous longitudinal flow root crop harvesting | 7165628 | Armstrong | 2007 |
| Taylor, Howard | Continuous longitudinal flow root crop harvesting | 8074434 | Armstrong | 2011 |
| Taylor, Howard | continuous longitudinal flow root crop harvesting | 7165628 | Armstrong | 2007 |
| Thelen, Jim | Composite fishing line | RE45778 | Estherville | 2015 |
| Thelen, Jim | Composite fishing line | RE45778 | Estherville | 2015 |
| Thelen, Jim | Composite fishing line | 8181438 | Esther | 2012 |
| Thelen, Jim | Composite fishing line | RE45778 | Estherville | 2015 |
| Thelen, Jim | Composite fishing line | 8181438 | Esther | 2012 |
| Tostenrud, Ralph | stalk pulverizer | 2527974 | Armstrong | 1950 |
| Trees, Leonard | veterinary surgical table | 1717531 | Estherville | 1929 |
| Trees, Leonard | veterinary surgical table | 1717532 | Estherville | 1929 |
| Vigdal, Benjamin | locking can cover | 977491 | Armstrong | 1910 |
| VonBank, Albert | combination coupling pin and lifting hook | 2535468 | Armstrong | 1950 |
| Wahler, Henry | pump | 873394 | Estherville | 1907 |
| Wells, Carl | comb sterilizer | 1820517 | Estherville | 1931 |
| Wiley, George | draft equalizer | 805250 | Estherville | 1905 |
| Wilson, Samuel | animal trap | 914000 | Estherville | 1909 |
| Woods, Herbert | wire reel frame | 613951 | Estherville | 1898 |
