http://redlib.bunny5exbgbp4sqe2h2rfq2brgrx3dhohdweonepzwfgumfyygb35wyd.onion/r/todayilearned/comments/1ifbetq/til_jefferson_davis_attempted_to_patent_a
After Jefferson Davis later was selected as President of the Confederacy, he signed into law the legislation that would allow slaves to receive patent protection for their inventions. On June 28, 1864, Montgomery, no longer a slave, filed a patent application for his device, but the patent office again rejected his application. Wikipedia Slave owners unsuccessfully tried to amend the Patent Act to enable slave owners to patent the inventions of their...