This database indexes patents issued to Cincinnati and Hamilton County Ohio Inventors from 1814 through 1873. Each entry provides a link to the U.S. Patent & Trademark Office website. TIFF software is required to view a patent full-image.
Browse by first letter of last name
A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z
Browse by first letter of invention
A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z
Search for Inventors
Advanced Search
Whirligig, Patent number 59,745
