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Search AidsThe following are indexes and other tools used for searching and browsing patents and trademarks. To search for patents and trademarks on the internet, try the United States Patent and Trademark Office or the European Patent Office. PatentsIndex to the U.S. Patent Classification SystemLocation: EPSL Reference Call Number: T223.A25 Manual of Classification Location: EPSL Reference Call Number: T223.F4U58 Patent Classification Definitions http://www.uspto.gov/go/classification/ Subject-matter Index of Patents for Inventions Issued by the U.S. Patent Office from 1790 to 1873, inclusive Location: EPSL Reference Call Number: T223.D7A45 Early Unnumbered United States Patents 1790-1836 Location: EPSL Reference Call Number: T223.D7R46 Annual patent indexes 1847-1997, with some gaps (title varies) Annual report of the Commissioner of Patents Commissioner of Patents and Trademarks annual report Commissioner of Patents annual report Location: EPSL Reference Call Number: T223.H2 TrademarksDesign Code Manual for TrademarksLocation: EPSL Reference Call Number: T223.V15 Index of trademarks issued from the United States Patent and Trademark Office 1928-1972; 1974-1997 Location: EPSL Reference Call Number: T223.V1U5 |
