October 5, 2019

Patent Drawing for a Flying Machine

Dated October 5, 1869, this is the printed patent drawing […]
March 14, 2019

Eli Whitney’s Patent for the Cotton Gin

Designed to separate cotton fiber from seed, Whitney’s cotton gin, […]
September 10, 2018

Patent Drawing for a Sewing Machine

On September 10, 1846, Elias Howe was granted a patent […]