Levi Strauss and Jacob Davis patented the first blue jeans with copper rivets.
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Mary Kies became the first woman ever to acquire a patent.
Isaac Fischer Jr. patented sandpaper in Springfield, Vermont, US.
The first idea of a fire escape was patented.
Samuel Colt patented the multi-shot revolving cylinder gun.
The pocket watch patent was awarded to Dutch mathematician and scientist Christiaan Huygens.
