Question

When was the ball point pen invented?​

Answer 1

Answer:

In fact, Bíró wasn't the first to develop the idea: The ballpoint pen was originally patented in 1888 by an American leather tanner named John Loud, but his idea never went any further

Answer 2

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• In fact, Bíró wasn't the first to develop the idea: The ballpoint pen was originally patented in 1888 by an American leather tanner named John Loud, but his idea never went any further