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The most popular invention that is used in our day-to-day life called ballpoint pen was invented by which scientists?

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The most popular invention that is used in our day-to-day life called ballpoint pen was invented by which scientists?
posted May 21 by Vinni Fernandis

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1 Answer

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An American banker named John L. Loud received a patent on a less-than-perfect version as early as 1888—but generally, it's Hungarian brothers László and György Bíró who are credited with inventing the pen we still use today.

answer May 22 by Deepika Jain
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