Search Results for the EPA National Library Catalog

Items Found: 16

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Your Search: (SUBJECT=Patents United States)

 
 
 

Select Item Title Year Published
Biotechnology : processing delays continue for growing backlog of patent applications / 1990
Chemicals by enzymatic and microbial processes : recent advances 1980
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. 2011
Crude oil drilling fluids 1979
From bench to backyard : EPA patents at work protecting human health and the environment. 2007
General information concerning patents 1994
Index to the U.S. patent classification. 1977
Industrial water treatment chemicals and processes, developments since 1978 1983
Manual of classification. 0
Nitrogen oxides control and removal : recent developments / 1979
Patent fundamentals for scientists and engineers 1995
Patent fundamentals for scientists and engineers / 2000
Printing inks : developments since 1975 1979
Thesaurus of general terms, 1950-1976. 1977
Thesaurus of general terms, 1950-1980. 1981
United States patents quarterly. 1929

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