László József Bíró (Hungarian: [ˈlaːsloː ˈjoːʒɛf ˈbiːroː]; né Schweiger; 29 September 1899 – 24 October 1985), Hispanicized as Ladislao José Biro, was an Argentine, Hungary-born 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.
László József Bíró (Hungarian: [ˈlaːsloː ˈjoːʒɛf ˈbiːroː]; né Schweiger; 29 September 1899 – 24 October 1985), Hispanicized as Ladislao José Biro, was an Argentine, Hungary-born 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.
Source: Wikipedia "László Bíró" · CC BY-SA 4.0
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