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László Bíró

László Bíró
László Bíró, Hungarian-Argentinian journalist and inventor, invented the ballpoint pen (d. 1985)

László József Bíró, Hispanicized as Ladislao José Biro, was a Hungarian-Argentine inventor who patented the first commercially successful modern ballpoint pen. The first ballpoint pen had been invented roughly 50 years earlier by John J. Loud, but it was not a commercial success.

29 September 1899

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