IAGenWeb - Marion County |
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This data was obtained from https://blogs.davenportlibrary.com/digital/iowa-patent-inventors-search/, restricting this to Marion county and sorting chronologically with the oldest being first. This is not current a complete set (i.e., it is not brought up-to-date matching the current year).
NOTE: the work stopped here but will be resumed soon.
1861-1880 1881-1900 1901-1920 1921-1940 1941-1960 1961-1980 1981-2000 2001-2020 2021-2040
| Last | First | Title | Pat. # | City | County | Year |
|---|---|---|---|---|---|---|
| Den Besten | Gerrit | tractor stop hitch | 2243552 | Pella | Marion | 1941 |
| Harvey | Irvin | agricultural machine | 2255562 | Harvey | Marion | 1941 |
| Den Besten | Gerrit | safety release hitch | 2262452 | Pella | Marion | 1941 |
| Kuyper | Peter | venetian bline | 2269854 | Pella | Marion | 1942 |
| Kuyper | Peter | window hinge | 2276729 | Pella | Marion | 1942 |
| White | Galen | window washer's scaffold | 2294218 | Knoxville | Marion | 1942 |
| Shoemaker | Elmer | window washer's scaffold | 2294218 | Knoxville | Marion | 1942 |
| Kuyper | Peter | casement window | 2297964 | Pella | Marion | 1942 |
| Kuyper | Peter | radiator cover | 2297965 | Pella | Marion | 1942 |
| Kuyper | Peter | window structure | 2317686 | Pella | Marion | 1943 |
| Van Dellen | Lubbert | design for an optical comparator | 136212 | Pella | Marion | 1943 |
| Den Besten | Gerrit | safety release hitch | 2339463 | Pella | Marion | 1944 |
| Den Besten | Gerrit | safety release hitch | 2358216 | Pella | Marion | 1944 |
| Hancock | William | cultivator attachment | 2368136 | Knoxville | Marion | 1945 |
| Kuyper | Peter | sash hanging hardware | 2383395 | Pella | Marion | 1945 |
| Fox | Charles | internal combustion engine | 2399998 | Pella | Marion | 1946 |
| Kuyper | Peter | sash structure | 2400009 | Pella | Marion | 1946 |
| Kuyper | Peter | drapery bracket | 2400010 | Pella | Marion | 1946 |
| Van Dellen | Lubbert | optical projection comparator | 2428505 | Pella | Marion | 1947 |
| Hancock | William | cultivator attachment | 2433215 | Knoxville | Marion | 1947 |
| Goebel | Wilbur | feeder for honeybees | 2496285 | Knoxville | Marion | 1950 |
1861-1880 1881-1900 1901-1920 1921-1940 1941-1960 1961-1980 1981-2000 2001-2020 2021-2040
Formatted by Al Hibbard 2022-04-11.