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Pencil Eraser Patent. Presented by Irene Varela. Some History…. For a long time people erased with bread 1770 Edward Naime created first rubber eraser 1776 Joseph Priestley suggested the use of a substance that erases lead 1839 Charles Goodyear discovers vulcanization.

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pencil eraser patent

Pencil Eraser Patent

Presented by Irene Varela

some history
Some History…
  • For a long time people erased with bread
  • 1770 Edward Naime created first rubber eraser
  • 1776 Joseph Priestley suggested the use of a substance that erases lead
  • 1839 Charles Goodyear discovers vulcanization
a pencil with an eraser
A Pencil with an Eraser…
  • INVENTION: Pencil with Eraser
  • INVENTOR: Hyman L. Lipman, U.S.
  • YEAR: 1858
any questions
Any Questions???

Thank you for your time!

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