Patent practices of the Department of Health, Education, and Welfare : preliminary report of the Subcommittee on Patents, Trademarks, and Copyrights, 86th Congress, 1st Session pursuant to S. Res. 53.
Washington : U.S. Govt. Print. Off., 1960.
vi, 53 pages ; 24 cm
At head of title: 86th Congress, 1st Session, Committee print.