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Report of the Commissioner of Patents / 2 : for the year ...
USA / Patent Office; USA / Congress / Senate - Washington, DC : Gov. Print. Off. - 1849(1850) - 1852(1853)
Persistent link: https://www.econbiz.de/10000359872
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Annual report / Commisioner of Patents
USA / Patent Office; USA / Congress / House of …; … - Washington, DC : US Gov. Print. Off. - 1837(1838) - 1848(1849); 1865(1867) - 1974[?]
Persistent link: https://www.econbiz.de/10000361399