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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''.

In 1917, continuing with its expansion policy, [[Wahl Eversharp]] acquired the ''[[Boston Fountain Pen Company]]'', a company that already started producing good hard rubber fountain pen characterized by a wheel clip. The pens were market branded ad [[Wahl Eversharp|Wahl]], promoting them as capable to alleviate the wear on the edges of the pockets thanks to their peculiar ''[[Roller Clip]]''.

In 1917, continuing with its policy of expansion, the [[Eversharp|Wahl Eversharp]] acquired the ''[[Boston Pen Company]]'', a company that already started producing good fountain pen in hard rubber characterized by a clip wheel. The pens were marketed branded [[Eversharp|Wahl]], promoting as capable to alleviate the wear on the edges of the pockets thanks to their peculiar ''Roller Clip''.

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