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Today's anniversary of the pencil eraser - Boing Boing
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Submitted by prov

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On today's date, 1858, Hymen Lipman was granted a patent for attaching a piece of rubber to the end of a pencil. While it was certainly a stroke of genius, the courts didn't think it to be as groundbreaking as one might think. From Smithsonian:

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pencil, eraser, patent

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