Jacob Davis and Levi Strauss invented the modern American blue jeans in 1873. Strauss was a German dry goods merchant, and Davis was a Latvian tailor.
Jacob Davis created work pants from bolts of denim fabric that he purchased from the Levi Strauss & Co. wholesale business. Davis came up with an idea to reinforce the seams and pockets with copper rivets to prevent the pants from tearing in those areas. Davis partnered with Strauss in 1872 and the two men received a patent for their blue jeans fastened with copper rivets on May 20, 1873. In 1885, the price of jeans was approximately $1.50 each.