U.S. patents issued to Thomas A. Edison from 1883-88 (1900)
United States. Patent Office, Edison, Thomas A. (Thomas Alva), 1847-1931 · [Washington, D.C.] : The Office · leaf 570
a Sheets— Sheet 1. (No Model.) T. A. EDISON. SYSTEM OF ELECTRICAL DISTRIBUTION. Patented June 1, 1886. No. 343,017. eft. o O ;b o o cfL . cyi- … ATTES T: INVENTOR- ^ /'
Patents
Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.
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