Patent Term Restoration Act of 1981 : 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, first session, on H.R. 1937, H.R. 6444, and S. 255 ... July 22, September 30, October 1, 7, November 5, 12, and 18, 1981.

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