Patent extension
Subtitle: hearings before Subcommitee No. 3 ... Eighty-second Congress, first session on H.R. 323 ... June 20 and 22, 1951
Publisher: U.S. Govt. Print. Off.
Published: 1951
Place of publication: Washington
Language: eng
Number of pages: 121
Subjects: Patent laws and legislation -- United States
Notes: "Serial No. 10"