The Pencil Eraser Was Invented in 1858? #eraser #history

Save
1 month ago
18
Entertainment Education pencil eraser history hymen lipman 1858 invention rubber eraser writing tools patent law bread eraser school supplies everyday design

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/

Loading comments...