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Who invented the BALLPOINT PEN?

+3 votes
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Who invented the BALLPOINT PEN?
posted May 19, 2016 by Chahat Sharma

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2 Answers

+2 votes

John J. Loud was an American inventor known for designing the first ballpoint pen.

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The principle of the ballpoint pen actually dates back to an 1888 patent owned by John J. Loud for a product to mark leather. Laszlo Biro first patented his pen in 1938.

answer May 25, 2016 by Atindra Kumar Nath
+1 vote

John J. Loud,László Bíró.

answer May 19, 2016 by Kapil Kumar
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