who was the inventer of pen?
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Explanation:
Laszlo Biro
The fountain pen was invented by Petrache Poenaru \, (a Romainian inventor) in May25- 1827. An improved ball point pen was invented by Laszlo Biro in 1938. John J. Loud patented the first ball point pen in May 25,1888, but Biro improved the design in 1938.
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Answer:
ball point pen was invented by Laszlo Biro in 1938.The fountain pen was invented by Petrache Poenaru
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