The Pencil Eraser Was Invented in 1858? #eraser #history
28 days ago
14
The pencil eraser was patented in 1858 — but the patent was canceled because it was “just two things stuck together.” Follow for more everyday facts.
#history #eraser #pencil #invention #1858 #design #writing
Hymen Lipman and the Pencil-Eraser Patent, U.S. Supreme Court, 1875
https://supreme.justia.com/cases/federal/us/68/553/
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