| Name | Patent Title | Patent # | City | Year |
| Addie , Herbert | buried cable terminal | 2184574 | Cresco | 1939 |
| Addie , Herbert | clip | 884256 | Cresco | 1908 |
| Addie , Herbert | device for replacing fuses | 772200 | Cresco | 1904 |
| Addie , Herbert | telephone attachment | 777172 | Cresco | 1904 |
| Anderson , Andrew | thrashing machines | 156940 | Cresco | 1874 |
| Aspenson , Gary | canopy door | 4124055 | Cresco | 1978 |
| Averill , Henry | fanning mill | 108953 | New Oregon | 1870 |
| Averill , Henry | thrashing machine | 92245 | New Oregon | 1869 |
| Barber , Jesse | device for tightenng fence wire | 195431 | Cresco | 1877 |
| Bartels , Dolan | reverse flow air filter arrangement and method | 7455707 | Cresco | 2008 |
| Bartels , Dolan | reverse flow air filter arrangement and method | 6521009 | Cresco | 2003 |
| Bartels , Dolan | reverse flow air filter arrangement | 6413289 | Cresco | 2002 |
| Bartels , Dolan | reverse flow air filter arrangement | 6322602 | Cresco | 2001 |
| Bartels , Dolan | reverse flow air filter arrangement | 6258145 | Cresco | 2001 |
| Bartels , Dolan | inside surface of a filter element having insert construction | 425977 | Cresco | 2000 |
| Bartels , Dolan | reverse flow air filter arrangement and method | 5897676 | Cresco | 1999 |
| Bartels , Dolan | reverse flow air filter arrangement and method | 5938804 | Cresco | 1999 |
| Bartels , Dolan | filter element | 5954849 | Cresco | 1999 |
| Bartels , Dolan | reverse flow air filter arrangement and method | 6004366 | Cresco | 1999 |
| Bartels , Dolan | filter element | 5803941 | Cresco | 1998 |
| Bartels , Edwin | tool | 937754 | Elma | 1909 |
| Bartels , Ernest | plow attachment | 662663 | Elma | 1900 |
| Bemis , Herbert | washing machine for milk separator disks | 1061157 | Riceville | 1913 |
| Bemis , Herbert | fence gate | 1073563 | Riceville | 1913 |
| Benson , Leon | rotary pump | 238834 | Lime Springs | 1881 |
| Bergeson , Michael | filter element | 5954849 | Cresco | 1999 |
| Bergeson , Michael | filter element | 5803941 | Cresco | 1998 |
| Blaess , Donald | Tapered lobular driver and fastener | 10195723 | Cresco | 2019 |
| Blaess , Donald | Driver | D807139 | Cresco | 2018 |
| Blaess , Donald | Self-clinching fastener | 9400005 | Cresco | 2016 |
| Brown , Leon | antislipping attachment for ladders | 2145619 | Cresco | 1939 |
| Brown , Ray | motion and direction indicator for vehicles | 1520851 | Chester | 1924 |
| Brown , Walter | gasolene stove | 608388 | Cresco | 1898 |
| Buresh , Francis | adding machine | 748924 | Mapleleaf | 1904 |
| Burns , Jaden | bar lock latch | 524139 | Lime Springs | 2006 |
| Burns , Jayden | Compression mount paddle handle | 10024085 | Lime Springs | 2018 |
| Burns , Jayden | Vehicle compartment door handle assembly | 9399879 | Lime Springs | 2016 |
| Burns , Jayden | Free floating paddle actuation system | 8881564 | Lime Springs | 2014 |
| Burns , Jayden | Door handle with paddle actuator | D694087 | Lime Springs | 2013 |
| Burns , Jayden | Motor home entrance door handle | D614016 | Lime Springs | 2010 |
| Burr , William | wagon box | 1229223 | Cresco | 1917 |
| Cannon , Joseph | wall paper hanger | 708124 | Elma | 1902 |
| Carson , Leonidas | motor | 608836 | Elma | 1898 |
| Carson , Leonidas | car coupling | 469541 | Elma | 1892 |
| Chick , Allen | latch | 863262 | Lime Springs | 1907 |
| Clement , Eric | snowmobile ski hold down assembly for trailer and method | 5716175 | Cresco | 1998 |
| Cunningham , John | valve cage puller | 1465349 | Cresco | 1923 |
| Daniels , William | wire fence tightener | 175944 | Lime Springs | 1876 |
| Dietzenbach , Urban | self loading and unloading trailer | 2991895 | Cresco | 1961 |
| Drake , Samuel | fence joining device | 747051 | Elma | 1903 |
| Dunn , Eli | preparing flour | 449794 | Elma | 1891 |
| Earnist , Cyrus | change speed gearing | 1091467 | Riceville | 1914 |
| Earnist , Cyrus | transmission gearing | 1036981 | Riceville | 1912 |
| Earnist , Cyrus | attachment for adding machines | 824416 | Riceville | 1906 |
| Eastland , Loren | Compound energy co-generation system | 9745867 | Riceville | 2017 |
| Farwell , Fay | vapor stove | 297120 | Cresco | 1884 |
| Farwell , Fay | ruffling and shirring attachment for sewing machines | 254543 | Cresco | 1882 |
| Fenske , Donald | slam latch for horse trailer | 5887928 | Cresco | 1999 |
| Fenske , Donald | snowmobile ski hold down assembly for trailer and method | 5716175 | Cresco | 1998 |
| Fenske , Donald | gate screw backup system | 5528860 | Cresco | 1996 |
| Finnegan , Patrick | fence wire stretcher | 1390770 | Cresco | 1921 |
| Fox , Daniel | Two-speed PTO stub shaft exchange improvements | 7874222 | Elma | 2011 |
| Frahm , Arthur | mud scraper for tractor wheels | 1848944 | Elma | 1932 |
| Frahm , Herman | mud scraper for tractor wheels | 1848944 | Elma | 1932 |
| Frank , Raymond | loading machine | 1854649 | Elma | 1932 |
| Garver , Anthony | hay loader | 146896 | Lime Spring Station | 1874 |
| Garver , Anthony | hay loader | 132960 | Lime Spring Station | 1872 |
| Gesell , Otto | stringed musical instrument | 892718 | Elma | 1908 |
| Gesy , Jerry | door sealing apparatus | 4880046 | Lime Springs | 1989 |
| Gilloon , Thomas | fire escape | 1033311 | Elma | 1912 |
| Gilman , Joseph | moistener | 877498 | Riceville | 1908 |
| Grabau , Lawrence | snow plow | 1274708 | Bonair | 1918 |
| Graf , Miles | cloth folder for ironing | 1001443 | Cresco | 1911 |
| Haire , Daniel | spring bed bottom | 209676 | Lime Springs | 1878 |
| Hamilton , Alex | stoves | 156730 | Cresco | 1874 |
| Hamilton , Alexander | method of burning hay, straw, leaves & c. | 164993 | Cresco | 1875 |
| Hamilton , Alexander | stove | 6560 | Cresco | 1875 |
| Hammerstrom , Kenneth | multi-workstation device | 5906284 | Riceville | 1999 |
| Hammerstrom , Kenneth | door for hangers and other structures | 3760861 | Riceville | 1973 |
| Hanneman , Elvin | rotary snow removing machine | 3562933 | Cresco | 1971 |
| Hanneman , Ervin | rotary snow removing machine | 3562933 | Cresco | 1971 |
| Hartogh , John | lifting device | 862557 | Elma | 1907 |
| Haven , George | milk and cream dispenser | 2207196 | Lime Springs | 1940 |
| Haven , Norman | fence post | 266817 | Lime Springs | 1882 |
| Hess , Edwin | display cabinet | 1179831 | Cresco | 1916 |
| Hewes , Otis | washing machine | 620921 | Lime Springs | 1899 |
| Hewitt , Charles | draft equalizer | 175455 | Lime Springs | 1876 |
| Hidding , Matthew | Rotary latch with modular components | 10676967 | Elma | 2020 |
| Hidding , Matthew | Rotary latch plates | 10697207 | Elma | 2020 |
| Hidding , Matthew | Free floating paddle handle for vehicle doors | 8579337 | Elma | 2013 |
| Hidding , Matthew | latch assembly | 7320488 | Elma | 2008 |
| Hidding , Matthew | remote pull handle | 564855 | Elma | 2008 |
| Hidding , Matthew | latch assembly | 7156430 | Elma | 2007 |
| Hollister , Charles | vessel for heating milk or other food for calves | 463387 | Cresco | 1891 |
| Hollister , George | corn shocker | 794300 | Cresco | 1905 |
| Hruska , Derek | Wheel debris ejector for tracked vehicle | 10654533 | Lime Springs | 2020 |
| Hruska , Derek | Self mounting ballast weight system | 10293874 | Lime Springs | 2019 |
| Hruska , Derek | Drawbar assembly with pin ejector mechanism | 10179488 | Lime Springs | 2019 |
| Hruska , Derek | Drawbar pin ejector | 10011151 | Lime Springs | 2018 |
| Huber , John | fire escape | 1033311 | Elma | 1912 |
| Huber , Joseph | metallic fence post | 1021409 | Elma | 1912 |
| Huber , Joseph | concrete fence post | 980955 | Elma | 1911 |
| Inward , Charles | stove pipe thimble | 175994 | Riceville | 1876 |
| Jewett , Nelson | milking stool | 661055 | Riceville | 1900 |
| Johnson , Albert | double acting air pump | 1579321 | Lime Springs | 1926 |
| Johnson , John | car coupling | 209402 | Cresco | 1878 |
| Johnson , Ole | car coupling | 209402 | Cresco | 1878 |
| Jones , Francis | traction device | 1580607 | Cresco | 1926 |
| Kintz , Damon | truck tarp assembly | 5542733 | Lime Springs | 1996 |
| Klingle , Francis | miniature sanitary disposal plant | 3624665 | Cresco | 1971 |
| Klingle , Francis | float valve asssembly | 3361156 | Cresco | 1968 |
| Klingle , Francis | tractor light | 3369116 | Cresco | 1968 |
| Kolbet , Paul | dairy container sediment trap | 2661844 | Cresco | 1953 |
| Krueger , Richard | spring draft attachment | 871282 | Cresco | 1907 |
| Lamb , Alfred | music leaf turner | 620043 | Cresco | 1899 |
| Laub , Anthony | washing apparatus | 1254815 | Cresco | 1918 |
| Lomas , Henry | ticket chart | 326879 | Cresco | 1885 |
| Martin , Merle | gearshift conversion apparatus | 2664761 | Cresco | 1954 |
| McClary , James | machine for handling coins | 826521 | Riceville | 1906 |
| McCord , Clarence | windshield wiper | 1894186 | Cresco | 1933 |
| McDonnell , Goodwin | bicycle | 627199 | Elma | 1899 |
| McDonnell , John | bicycle | 627199 | Elma | 1899 |
| McIlravy , David | machine for producing artificial stone | 803014 | Riceville | 1905 |
| McIlrevey , David | harrow | 190774 | Riceville | 1877 |
| Mehmert , Larry | drain pipe animal guard | 4702828 | Cresco | 1987 |
| Miller , Charles | trace carrier | 287456 | Cresco | 1883 |
| Miller , Edward | water tank heater and feed cooker | 621359 | Elma | 1899 |
| Mohr , Luie | velocipede | 354649 | Howard Center | 1886 |
| Monesmith , Bert | shipping device | 1085285 | Cresco | 1914 |
| Mork , Donald | Seal arrangement for filter element; filter element assembly; and, methods | 10279303 | Lime Springs | 2019 |
| Mork , Donald | Air filter arrangement; assembly; and, methods | 10315144 | Lime Springs | 2019 |
| Mork , Donald | Air filter arrangement; assembly; and, methods | 10421034 | Lime Springs | 2019 |
| Mork , Donald | Seal arrangement for filter element; filter element assembly; and, methods | 10507423 | Lime Springs | 2019 |
| Mork , Donald | Air filter arrangement; assembly; and, methods | 10065145 | Lime Springs | 2018 |
| Mork , Donald | Seal arrangement for filter element; filter element assembly; and, methods | 9718021 | Lime Springs | 2017 |
| Mork , Donald | Process and materials using z-filter media, and/or, closing flutes of filter media; and, products | 9770686 | Lime Springs | 2017 |
| Mork , Donald | Seal arrangement for filter element; filter element assembly; and, methods | 9457310 | Lime Springs | 2016 |
| Mork , Donald | Air filter arrangement; assembly; and, methods | 9527023 | Lime Springs | 2016 |
| Mork , Donald | Air filter arrangement | 9180399 | Lime Springs | 2015 |
| Mork , Donald | Process and materials for coiling z-filter media; and/or closing flutes of filter media; and, products | 8961722 | Lime Springs | 2015 |
| Mork , Donald | Seal arrangement for filter element; filter element assembly; and, methods | 8945268 | Lime Springs | 2015 |
| Mork , Donald | Air filter cartridge and air cleaner assembly | 8709119 | Lime Springs | 2014 |
| Mork , Donald | Air filter arrangement; assembly; and, methods | 8906128 | Lime Springs | 2014 |
| Mork , Donald | Air filter arrangement | 8636820 | Lime Springs | 2014 |
| Mork , Donald | Seal, arrangement for filter element; filter element assembly; and, methods | 8685128 | Lime Springs | 2014 |
| Mork , Donald | Air filter arrangement | 8496723 | Lime Springs | 2013 |
| Mork , Donald | Process and materials for coiling z-filter media; and/or closing flutes of filter media; and, products | 8496774 | Lime Springs | 2013 |
| Mork , Donald | Seal arrangement for filter element; filter element assembly; and, methods | 8409316 | Lime Springs | 2013 |
| Mork , Donald | Process and materials for coiling z-filter media, and/or closing flutes of filter media; and, products | 8226786 | Lime Springs | 2012 |
| Mork , Donald | Seal, arrangement for filter element; filter element assembly; and, methods | 8241384 | Lime Springs | 2012 |
| Mork , Donald | Air filter arrangement; assembly; and methods | 8277532 | Lime Springs | 2012 |
| Mork , Donald | Air filter cartridge and air cleaner assembly | 8292983 | Lime Springs | 2012 |
| Mork , Donald | Seal arrangement for filter element; filter element assembly; and, methods | 7931724 | Lime Springs | 2011 |
| Mork , Donald | Seal arrangement for filter element; filter element assembly; and, methods | 7935166 | Lime Springs | 2011 |
| Mork , Donald | seal arrangement for filter element; filter element assembly; and, methods | 7396376 | Lime Springs | 2008 |
| Moser , Bruce | circular saw clutch assembly | 7137329 | Lime Springs | 2006 |
| Mosher , Kenneth | opening and locking brace for canopy type doors | 2936830 | Riceville | 1960 |
| Mosher , Kenneth | electric semiautomatic door operator | 2548042 | Riceville | 1951 |
| Mott , James | headlight turning mechanism for vehicles | 1203769 | Cresco | 1916 |
| Mott , James | headlight turning mechanism for vehicles | 1158071 | Cresco | 1915 |
| Murphy , Thomas | reciprocating churn | 198665 | Busti | 1877 |
| Murphy , Troy | Seal arrangement for filter element; filter element assembly; and, methods | 10279303 | Cresco | 2019 |
| Murphy , Troy | Seal arrangement for filter element; filter element assembly; and, methods | 10507423 | Cresco | 2019 |
| Murphy , Troy | Seal arrangement for filter element; filter element assembly; and, methods | 9718021 | Cresco | 2017 |
| Murphy , Troy | Process and materials using z-filter media, and/or, closing flutes of filter media; and, products | 9770686 | Cresco | 2017 |
| Murphy , Troy | Seal arrangement for filter element; filter element assembly; and, methods | 9457310 | Cresco | 2016 |
| Murphy , Troy | Process and materials for coiling z-filter media; and/or closing flutes of filter media; and, products | 8961722 | Cresco | 2015 |
| Murphy , Troy | Seal arrangement for filter element; filter element assembly; and, methods | 8945268 | Cresco | 2015 |
| Murphy , Troy | Seal, arrangement for filter element; filter element assembly; and, methods | 8685128 | Cresco | 2014 |
| Murphy , Troy | Process and materials for coiling z-filter media; and/or closing flutes of filter media; and, products | 8496774 | Cresco | 2013 |
| Murphy , Troy | Seal arrangement for filter element; filter element assembly; and, methods | 8409316 | Cresco | 2013 |
| Murphy , Troy | Process and materials for coiling z-filter media, and/or closing flutes of filter media; and, products | 8226786 | Cresco | 2012 |
| Murphy , Troy | Seal, arrangement for filter element; filter element assembly; and, methods | 8241384 | Cresco | 2012 |
| Murphy , Troy | Seal arrangement for filter element; filter element assembly; and, methods | 7931724 | Cresco | 2011 |
| Murphy , Troy | Seal arrangement for filter element; filter element assembly; and, methods | 7935166 | Cresco | 2011 |
| Murphy , Troy | seal arrangement for filter element; filter element assembly; and, methods | 7396376 | Cresco | 2008 |
| Nash , Allen | agricultural boiler | 284884 | Lime Springs | 1883 |
| Neely , Carroll | portable heated animal bed | 2842651 | Cresco | 1958 |
| Neely , Carroll | animal bed | 2866066 | Cresco | 1958 |
| Nichols , Perry | thrashing machines | 156940 | Cresco | 1874 |
| Nichols , Perry | sheaf droppers for harvesters | 156941 | Cresco | 1874 |
| Nicoll , Howard | reusable umbilical cord clamp for veterinary use | 3825012 | Riceville | 1974 |
| Noble , S. | sled and sleigh runner | 35106 | Vernon Springs | 1862 |
| Nye , Donald | dual chuck blow gun | 6561233 | Cresco | 2003 |
| Ohmacht , August | radiator support | 1344559 | Cresco | 1920 |
| Omar , Melanee | Remote operated infant/child car seat | 8220870 | Cresco | 2012 |
| Omar , Melanee | Mat for child development | 7870625 | Cresco | 2011 |
| Owens , William | street sign and light | 1758714 | Cresco | 1930 |
| Patterson , Will | vehicle thill | 480129 | Cresco | 1892 |
| Patterson , William | book supporting attachments for tables | 156304 | Cresco | 1874 |
| Pecoy , Stephen | work bench | 581829 | Cresco | 1897 |
| Pecoy , Stephen | work box and stand | 943454 | Cresco | 1909 |
| Phillips , Wendell | traffic signal | 1623889 | Bonair | 1927 |
| Pullman , N. | railway switch | 20367 | New Oregon | 1858 |
| Pullman , N. | attachable to harness awning frame for horses | 18300 | New Oregon | 1857 |
| Pullman , Nathaniel | extension ladder | 105126 | New Oregon | 1870 |
| Pullman , Nathaniel | car replacer | 76520 | New Oregon | 1868 |
| Pullman , Nathaniel | switch for replacing cars upon the track | 54478 | New Oregon | 1866 |
| Queel , Fred | saw vise | 2606462 | Cresco | 1952 |
| Rahlf , Jeff | Z-filter media pack arrangement; and, methods | RE48050 | Elma | 2020 |
| Rahlf , Jeff | Z-filter media pack arrangement; and, methods | RE46700 | Elma | 2018 |
| Rahlf , Jeff | Process and materials using z-filter media, and/or, closing flutes of filter media; and, products | 9770686 | Elma | 2017 |
| Rahlf , Jeff | Z-filter media pack arrangement; and, methods | 9114346 | Elma | 2015 |
| Rahlf , Jeff | Process and materials for coiling z-filter media; and/or closing flutes of filter media; and, products | 8961722 | Elma | 2015 |
| Rahlf , Jeff | Z-filter media pack arrangement; and, methods | 8518141 | Elma | 2013 |
| Rahlf , Jeff | Process and materials for coiling z-filter media; and/or closing flutes of filter media; and, products | 8496774 | Elma | 2013 |
| Rahlf , Jeff | Process and materials for coiling z-filter media, and/or closing flutes of filter media; and, products | 8226786 | Elma | 2012 |
| Rahlf , Jeff | Z-filter media pack arrangement; and, methods | 8241383 | Elma | 2012 |
| Rahlf , Jeff | Z-filter media pack arrangement; and, methods | 7967886 | Elma | 2011 |
| Rand , Henry | cloth folder for ironing | 1001443 | Cresco | 1911 |
| Reeve , Winfield | blacksmith's shears | 226105 | Riceville | 1880 |
| Riley , James | wire tightener | 769714 | Elma | 1904 |
| Rink , Peter | disk sharpener | 1393967 | Cresco | 1921 |
| Sadler , John | agricultural boiler | 284884 | Lime Springs | 1883 |
| Schacht , Frank | pneumatic grain elevator | 784281 | Lime Springs | 1905 |
| Scott , Charles | block machine | 825489 | Riceville | 1906 |
| Seavy , Adelbert | combined oil can and funnel | 790080 | Riceville | 1905 |
| Seelye , William | draft equalizer | 777151 | Cresco | 1904 |
| Shuler , Oliver | car rack | 1295806 | Elma | 1919 |
| Smith , Herbert | broom moistener | 634097 | Lime Springs | 1899 |
| Smith , James | snow plow | 1667445 | Bonair | 1928 |
| Smith , John | removable lid support for cook stoves | 534925 | Lime Springs | 1895 |
| Snow , Charles | photographic background carrier | 624111 | Lime Springs | 1899 |
| Snow , Charles | clothes pounder | 597333 | Lime Springs | 1898 |
| Soules , Simon | potato digger | 69136 | Cresco | 1867 |
| Stevenson , Ralph | wind restraining stay roller assembly for sliding doors | 4672712 | Elma | 1987 |
| Strayer , Eber | refrigerator | 846873 | Cresco | 1907 |
| Stremel , Charles | hand truck | 294525 | Cresco | 1884 |
| Stritzel , John | compound cushion heel | 1106985 | Elma | 1914 |
| Swanson , Lorens | fire escape ladder | 316415 | Cresco | 1885 |
| Swenson , John | lightning rod | 1303739 | Cresco | 1919 |
| Swenson , John | lightning rod low top | 1127696 | Cresco | 1915 |
| Swenson , John | horse power capstan | 889271 | Cresco | 1908 |
| Swenson , John | stump extractor | 827271 | Cresco | 1906 |
| Swenson , John | valve | 744433 | Cresco | 1903 |
| Swenson , John | stump extractor | 679402 | Cresco | 1901 |
| Swenson , Lorens | stump extractor | 827271 | Cresco | 1906 |
| Swenson , Lorens | tobacco pipe | 830864 | Cresco | 1906 |
| Swenson , Lorens | device for overcoming dead centers | 766914 | Cresco | 1904 |
| Swenson , Lorens | valve | 744433 | Cresco | 1903 |
| Swenson , Lorens | reciprocating valve | 616275 | Cresco | 1898 |
| Swenson , Lorens | stump extractor | 535426 | Cresco | 1895 |
| Swenson , Lorens | vehicle thill | 480129 | Cresco | 1892 |
| Swenson , Lorens | vehicle wheel hub | 482418 | Cresco | 1892 |
| Swenson , Lorens | extension ladder | 284683 | Cresco | 1883 |
| Swenson , Ole | valve mechanism | 710905 | Cresco | 1902 |
| Swenson , Ole | hay loader | 581963 | Cresco | 1897 |
| Swenson , Ole | hay loader | 546602 | Cresco | 1895 |
| Swenson , Ole | book supporting attachments for tables | 156304 | Cresco | 1874 |
| Swenson , William | hay loader | 581963 | Cresco | 1897 |
| Swenson , William | hay loader | 546602 | Cresco | 1895 |
| Tex , Henry | car rack | 1295806 | Elma | 1919 |
| Thompson , Edward | road map holder | 1834260 | Cresco | 1931 |
| Van Slyke , Alfonzo | sweep operated windlass | 902701 | Cresco | 1908 |
| Vielrock , William | draft equalizer | 819256 | Lime Springs | 1906 |
| Voves , Mark | Magnetic holding device and method of use | 9387582 | Cresco | 2016 |
| Voves , Mark | Cargo carrying device | 8376391 | Cresco | 2013 |
| Voves , Mark | Modular multi-functional cargo carrier and transport trailer | 7997607 | Cresco | 2011 |
| Voves , Mark | device for monitoring and measuring distance | 7385513 | Cresco | 2008 |
| Voves , Mark | drive system for a movable crossover box | 6749243 | Cresco | 2004 |
| Voves , Mark | moveable support system for a crossover box | 6607230 | Cresco | 2003 |
| Voves , Mark | pizza cutting and eating tool | 6591503 | Cresco | 2003 |
| Voves , Mark | automobile visor and clip | 470806 | Cresco | 2003 |
| Voves , Mark | moveable support system for a crossover box | 6354647 | Cresco | 2002 |
| Voves , Mark | food tray for automotive traveling | 446082 | Cresco | 2001 |
| Voves , Mark | pizza cutting and eating tool | 425376 | Cresco | 2000 |
| Vsetecka , Frank | wire working tool | 876116 | Protivin | 1908 |
| Vsetecka , Frank | hasp fastener | 831122 | Protivin | 1906 |
| Walters , John | hub boring machine | 77137 | Riceville | 1868 |
| Warsaw , Edward | bob sled | 361560 | Riceville | 1887 |
| Weinacht , Kevin | personal watercraft trailer | 390814 | Cresco | 1998 |
| Whalen , Maurice | valve cage puller | 1465349 | Cresco | 1923 |
| White , Arthur | electric switch | 883366 | Cresco | 1908 |
| Windell , Vern | crate | 794439 | Chester | 1905 |
| Wolf , August | barn framing machine | 1133902 | Elma | 1915 |
| Wygant , Victor | woodworking tool | 712448 | Cresco | 1902 |
| Zbornick , Thomas | producing phosphatic fertilizer with a deficiency of mineral acids | 2361444 | Cresco | 1944 |
| Zenner , Christopher | Vehicle outside door handle | D674678 | Elma | 2013 |
| Zweibohmer , Dennis | graspable portion of window hold open mechanism | 443809 | Elma | 2001 |
| Zweibohmer , Timothy | remote pull handle | 564855 | Lime Springs | 2008 |
| Zweibohmer , Timothy | door latch handle | 529367 | Lime Springs | 2006 |
|