Edison and Swan Electric Light Company Edison and Swan Electric Light Company The Edison and Swan Electric Light Company Limited was a manufacturer of incandescent lamp bulbs and other electrical goods. It was formed in 1883 with the name Edison & Swan United Electric Light Company with the merger of the Swan United Electric Company and the Edison Electric Light Company. Thomas Edison established the Edison Electric Light Company in 1878. Joseph Swan established the Swan United Electric Light Company in 1881. In 1882 the American Edison Company of Thomas Edison sued Swan, claiming infringement of Edison's U.S. patent of 1879; however, they never made it
Thomas Edison Edison and his personnel installed "Columbia"'s new lighting system. The "Columbia" was Edison's first commercial application for his incandescent light bulb. The Edison equipment was removed from "Columbia" in 1895. Lewis Latimer joined the Edison Electric Light Company in 1884. Latimer had received a patent in January 1881 for the "Process of Manufacturing Carbons", an improved method for the production of carbon filaments for light bulbs. Latimer worked as an engineer, a draftsman and an expert witness in patent litigation on electric lights. George Westinghouse's company bought Philip Diehl's competing induction lamp patent rights (1882) for $25,000, forcing the holders