Question

how has invented pen ​

Answer 1

Answer:

While a student in Paris, Romanian Petrache Poenaru invented the fountain pen, which the French Government patented in May 1827. Fountain pen patents and production then increased in the 1850s. The first patent on a ballpoint pen was issued on October 30, 1888, to John J Loud.

Answer 2

Answer:

László Bíró Invented the pen.

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