Process patent legislation : hearing before the Subcommittee on Patents, Copyrights and Trademarks of the Committee on the Judiciary, United States Senate, one hundredth congress, first session ... , April 22, 1987.
United States.Congress.Senate.Committee on the Judiciary.Subcommittee on Patents, Copyrights and Trademarks.
Washington : Government Printing Office,
1987.
Patent law and legislation