Marion Patent Holders

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: CURRENTLY THIS IS JUST A PLACEHOLDER. Work will be resumed soon.

1861-1880   1881-1900   1901-1920   1921-1940   1941-1960   1961-1980   1981-2000   2001-2020   2021-2040

2001-2020

Last First Title Pat. # City County Year

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.