Around 1914, Keeran invented the basic mechanism for the Eversharp, thought up the "Eversharp" trademark (inspired by the Winchester Rifle logo), and set up a company to make and sell Eversharp pencils.
Charles Rood Keeran (16 April 1883 - June 9, 1948) was an Illinois inventor and businessman and patent holder and pioneer of the mechanical pencil.
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