PropertyProf Blog

Editor: Stephen Clowney
Univ. of Arkansas, Fayetteville

Thursday, April 4, 2013

The First Light Bulb

Here's a photo of the original model from Edison's 1880 patent application for the light bulb. This model sits in the inter sanctum of the director of the Patent and Trademark Office. 


Steve Clowney

(HT: Chisum Patent Academy)

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