Title: Patent practices of the Post Office Department
Subtitle: Preliminary report of the Subcommittee on Patents, Trademarks, and Copyrights of the Committee on the Judiciary, United States Senate, Eighty-sixth Congress, first session, pursuant to S. Res. 53.
Subjects: United States, Patents and government-developed inventions, United States. Post Office Dept, United States. Post Office Department
Places: United States