What’s the Story Behind Ballpoint Pen Day?
In 1888, John Loud, an American leather tanner, filed a patent for a roller-ball-tip marking pen. However, his pen was never manufactured, and neither were any of the other 350 ball-type pens patented by others over the next thirty years. It wasn’t until 1935 that Hungarian brothers Ladislas and Georg Biro introduced an improved version […]
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