Dur-O-Lite Pencil Company

The Dur-O-Lite Pencil Company was a Chicago, Illinois, United States company that manufactured mechanical pencils from the 1920s into the 1990s. The company registered the "Dur-O-Lite" trademark in 1927. John P. Lynn was a founder of the company and was long associated with Dur-O-Lite. Lynn had earlier been a founder of the Auto-point Company which was Dur-O-Lite's main competitor. In 1993, Dur-O-Lite ceased all manufacturing operations.

Dur-O-Lite DU-AD Pencil

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