Chester Carlson inventor of xerography founded the Haloid Company on April 18, 1935. The company manufactured and sold photographic paper! It was based in Rochester New York. In the year 1942 Carlson received U.S. patent No. 2,297,691 on Oct. 6 for electrophotography, later called xerography, the technology that revolutionized the world of imaging. Xerox as […]