Here is the list of patents. Click on the patent number to see a representative drawing.


COUNTY:
PATENT NUMBER: Unmb.1814h
INVENTORS: Humphrey, William
TITLE: Churn
Jan. 5, 1814,
COUNTY:
PATENT NUMBER: Unmb.1832w
INVENTORS: Dowler, Francis
TITLE: Percussion lock
Apr. 9, 1832, Wayne Township, OH



If you would like to examine early patents from other locations try these links:

Index to Early Louisiana Patents

Victorian Patents and Patentees Australian Patents.

Women Inventors 1790-1895

Wyoming Inventors Database


Susan E. Hocker, Miami University Libraries.
If you find errors or problems please send email to shocker@muohio.edu