Patent application, 1873 ID: 855 | This file appears in: Jacob Davis's Tailor Shop (site) This drawing accompanied the patent application for riveted blue jeans. According to folklore, the rivet at the end of the zipper proved problematic. | Date: 1873 | Source: United States Patent Office Download Original File SourceUnited States Patent OfficeDate1873 "Patent application, 1873" appears in: Jacob Davis's Tailor Shop (site)