Manufacturing

Colt patented his revolving-cylinder pistol in 1836, failed, then revived on Texas and Mexican War orders. His real innovation was...

Howe patented the lockstitch with eye-pointed needle, then won a famous 1854 suit against Singer for royalties. Competing patents,...

Hull, working nights at a furniture-sunlight-cure shop, patented stereolithography in 1986 and founded 3D Systems. His STL file fo...

Margaret Knight devised a machine that cut, folded and glued flat-bottomed paper bags, which stand up on their own and hold far mo...