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Who invented ball - point pen? …

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Who invented ball - point pen? a. E.Berliner b. Laennac c. L.Biro d. E.G.Otis
  • 4 answers

Aranjay Patel 3 years, 11 months ago

Hyzue

Seema Yadav 3 years, 11 months ago

Poorvi

Debangshu Ash 3 years, 11 months ago

December 1 1928

Gaurav Seth 3 years, 11 months ago

László Bíró first sold the ballpoint pen in 1938, just before the onset of WWII. The pen may be mightier than the sword, but when Jewish-Hungarian journalist László Bíró invented the ballpoint pen in the 1930s clichéd sayings were probably the last thing on his mind.

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