Chester F. Carlson was the inventor of the Xerographic process. He obtained the first patent for his electrostatic dry copying process in 1940. The Haloid Company in Rochester (later known as Xerox) ...

NORWALK, Conn.--(BUSINESS WIRE)--Written in a bold hand on a glass slide was the date and location: 10-22-38 Astoria. The copy might have been fuzzy, but it was still a copy. In fact, it was the world ...