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 370
2 Sheets— Sheet 1. (No Model.) T. A. EDISON. DYNAMO ELECTRIC MACHINE. Patented Apr. 29, 1884. No. 297,584, … 2^.13. A.TTEST1 INVENTOR: ^'^.'^X^.Ac..^ -•<-<«_-o \^
Patents
Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.
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