October 6: Patents Issued for Photocopying

On October 6, 1942, Chester Carlson receives a patent for what is now known as photocopying, a method he invented dubbed electrophotography. It wasn’t until 1946 that a business decision to make a go of commercial photocopying. Finally, the Haloid Company obtained a license to Carlson’s invention and coined the term “xerography” to describe the new method.

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