
Invention of the ballpoint pen
Witness History
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The History of the Ballpoint Pen
Marianna Biro's father Ladislaw invented the ballpoint pen. He continued inventing and had 300 patents to his name when he died in 1985, 886. The big crystal biro is now the world's most popular pen. Marianna went on to become a teacher inspired by her father she even teaches invention at her school in Buenos Aires.
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