This collection includes an English patent paper #2126 for improved vulcanizable water-proof gum, 1873, to Benjamin Joseph Barnard Mills; a U.S. patent paper #151,109 for improvement in the art of manufacturing horseshoes, 1874; and an English patent paper #1194 for improvement in street-lighting apparatus.
James Lithgow Ewin Patents, Archives Center, National Museum of American History.
Collection donated by James Lithgow Ewin, March 13, 1894.
Collection transferred to the Archives Center from the Division of Political History (now Division of Political and Military History), May 26, 1983.
Collection is open for research.
Collection items available for reproduction, but the Archives Center makes no guarantees concerning copyright restrictions. Other intellectual property rights may apply. Archives Center cost-recovery and use fees may apply when requesting reproductions.
Collection processed by Robert Harding, 1983