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Who was Ladislao José Biro, how did he invent the ballpoint pen and how did it help in World War II?
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Who was Ladislao José Biro, how did he invent the ballpoint pen and how did it help in World War II?
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The Inventor Behind the Modern Ballpoint Pen - Official Pens.com Blog: Promotional Products & Marketing Tips
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Inventors HOF on X: "#OTD #NIHF Inductee Laszlo Biro was granted a patent for his invention, the modern ballpoint pen. The Biro pen was the first successful ballpoint writing instrument ✒️ #InventorsHOF #
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