http://redlib.bunny5exbgbp4sqe2h2rfq2brgrx3dhohdweonepzwfgumfyygb35wyd.onion/r/todayilearned/comments/1ifbetq/til_jefferson_davis_attempted_to_patent_a
The article cited by Wikipedia reaffirms that the CSA passed patent protections for African-Americans: As the Civil War commenced, the 1861 Confederate Congress passed legislation legalizing patent applications by enslaved inventors, but