Patent Office legislation : hearings before Subcommitte No. 3 of the Committee on the Judiciary, House of Representatives, Ninety-second Congress, first session on S. 645 (H.R. 4564), to provide relief in patent and trademark cases affected by the emergency situation in the United States Postal service which began on March 18, 1970 : H.R. 5237, to carry into effect a provision of the Convention of Paris for the Protection of Industrial Property, as revised at Stockholm, Sweden, July 14, 1967 : S. 1253 (H.R. 5238), to amend section 6 of Title 35, United States Code, "Patents," to authorize domestic and international studies and programs relating to patents and trademarks : S. 1254, to amend Title 35, United States Code, "Patents," and for other purposes, May 5, 1971.