. Patent Office. Alternate Title: Created: 1860-1880. Coverage: 1860-1880. Source Imprint: 1860?-1880?. Digital item published 1-25-2006; updated 2-13-2009. 232 Patent Office, by E. & Anthony (Firm)

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Keywords: ., 186, 1860-1880., coverage, created, imprint, source