Xerox History Timeline

Xerox History Timeline — 1940's

We at Xerox have been working in the document management industry for over a century. In that time, we've brought you many of the office items you take for granted at work every day. From the first xerographic image that was made in 1938 to our breakthroughs in home and business computing from the 1970s to today, we've been advancing business from day one.


Xerox History Timeline - Electrophotography Patent Electrophotography Patent
Chester Carlson receives U.S. patent No. 2,297,691 on October 6 for electrophotography—later called xerography—the technology that will revolutionize the world of document imaging.


Xerox History Timeline -  Xerography and Xerox Xerography and Xerox
Xerography is formally announced on October 22 at the Optical Society of America Annual Meeting in Detroit, Michigan—the same year the word “Xerox” is trademarked for future use.


Xerox History Timeline - Model A Copier Model A Copier
Modeled step-by-step on the process outlined in Chester Carlson's xerography manual, the Model A becomes the world's first xerographic copier, requiring multiple steps to produce a single copy.