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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 266
(No Model.) T. A. EDISON. DYNAMO ELECTRIC MACHINE. Patented Oct. 30, 1883. No. 287,513, … ^^s. .A.TTEST< INVENTOR: ^^e^hf- ^<^ ^^o^^Patents
Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.
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