László József Bíró (Hungarian pronunciation: ['la?slo? 'jo???f 'bi?ro?]) or Ladislao José Biro (born as László József Schweiger, 29 September 1899 – 24 October 1985) was a Hungarian-Argentine inventor who patented the first commercially successful modern ballpoint pen.
The first ballpoint pen was invented roughly 50 years earlier by John J.
Author: Unknown Source: Victor Sueiro (19791). Crónica loca de maravillas, curiosidades, rarezas y misterios de la Argentina. Editorial V.S.D. License: PD-AR-Photo