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United States Environmental Protection Agency
EPA National Library Network
Search Results for the EPA National Library Catalog
Items Found: 16
Showing: Items 1 - 16
Your Search: (SUBJECT=Patents United States)
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Biotechnology : processing delays continue for growing backlog of patent applications /
Chemicals by enzymatic and microbial processes : recent advances
Crossing the finish line on patent reform : what can and should be done : hearing before the Subcommittee on Intellectual Property, Competition, and the Internet of the Committee on the Judiciary, House of Representatives, One Hundred Twelfth Congress, first session, February 11, 2011.
Crude oil drilling fluids
From bench to backyard : EPA patents at work protecting human health and the environment.
General information concerning patents
Index to the U.S. patent classification.
Industrial water treatment chemicals and processes, developments since 1978
Manual of classification.
Nitrogen oxides control and removal : recent developments /
Patent fundamentals for scientists and engineers
Patent fundamentals for scientists and engineers /
Printing inks : developments since 1975
Thesaurus of general terms, 1950-1976.
Thesaurus of general terms, 1950-1980.
United States patents quarterly.
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