Test for determining invention
Subtitle: hearings before Subcommittee No. 4 of the Committee on the Judiciary, House of Representatives, Eighty-first Congress, first session, on H.R. 4798, to declare a national policy regarding the test for determining invention, June 15 and 22, 1949
Publisher: U.S. G.P.O.
Published: 1950
Place of publication: Washington
Language: eng
Number of pages: 71
Subjects: Patent laws and legislation -- United States
Notes: Emanuel Celler, chairman

"Serial No. 16."