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#BrothersLaszlo
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Ballpoint Pen Day - 10th June. In 1943 the Bíró brothers, László and György invented the ballpoint pen. The Hungarian inventors’ new pen, inspired by the quick-drying inks used by professional printers, was as remarkable as the first fountain pen had been the century before.
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gninstitutions · 5 years
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Ballpoint Pen Day - 10th June.
This particular day commemorates the ballpoint pen and marks the anniversary of the patent filing on June 10, 1943. Brothers Laszlo and Gyorgy Biro invented the#ballpointpen and obtained a patent in June of 1943.
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