%0 Book %I U.S. G.P.O. %D 1983 %C Washington %G English %T Patent and Trademark Office authorization : hearings before the Subcommittee on Courts, Civil Liberties, and the Administration of Justice of the Committee on the Judiciary, House of Representatives, Ninety-seventh Congress, second session, on H.R. 5602 ... March 11 and April 22, 1982