GODDESS GIRLS & HEROES IN TRAINING
LITTLE RED WRITING Teaching Guide
Saturday, March 1, 2014
Pencil + Eraser = Patent, 1858
In March 1858, Hymen Lipman was granted a patent for attaching a piece of rubber (aka an eraser) to the top of a pencil. While it was later revoked because putting two existing things together wasn't patentable, he remains my hero.
Little Red Writing
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