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The [[Wahl Eversharp]] activities in the  writing instruments field began in 1914 with the launch of ''Eversharp'' mechanical pencil. For many times it was said that that was the same as the ''Ever-Sharp'' pencil created by the Japanese inventor Tokuji Hayakawa, that two years earlier had founded in Tokyo a homonym company, today still active as [http://en.wikipedia.org/wiki/Sharp_Corporation Sharp]. But [http://www.vintagepens.com/Eversharp_history.htm subsequent searches] have shown that the ''Eversharp'' pencil was invented by Charles Keeran (patent {{Cite patent|US|1130741}}) in 1913, and then the invention was sold for production to the ''Wahl Adding Machine''.

The [[Wahl Eversharp]] activities in the  writing instruments field began in [[1914]] with the launch of ''Eversharp'' mechanical pencil. For many times it was said that that was the same as the ''Ever-Sharp'' pencil created by the Japanese inventor Tokuji Hayakawa, that two years earlier had founded in Tokyo a homonym company, today still active as [http://en.wikipedia.org/wiki/Sharp_Corporation Sharp]. But [http://www.vintagepens.com/Eversharp_history.htm subsequent searches] have shown that the ''Eversharp'' pencil was invented by Charles Keeran (patent {{Cite patent|US|1130741}}) in [[1913]] and then the invention was sold for production to the ''Wahl Adding Machine''.