When Jacob Davis contacted Levi Strauss regarding acquiring a patent for his new invention he didn’t invent jeans. His invention was merely that he had reinforced a pair of pants with copper [...]

Crotch Rivet

A rivet attached at the base of the button fly for reinforcement purposes. The story goes that Levi Strauss & Co. removed the crotch rivets from their jeans in 1942 after numerous complaints [...]


Once the rivet patented by Levi Strauss and Jacob Davis in 1873 expired in 1890, they decided to give work jeans numbers. Besides the cheaper 200 series, there was also a 500 series. Number 501 [...]