HEARINGS BEFORE THE COMMITTEE ON PATENTS SEVENTY-SEVENTH CONGRESS SECOND SESSION ON S. 2303 A BILL TO PROVIDE FOR THE USE OF PATENTS IN THE INTEREST OF NATIONAL DEFENSE OR THE PROSECUTION OF THE WAR, AND FOR OTHER PURPOSES 71593 PART 1 APRIL 13, 14, 15, 16, AND 17, 1942 Printed for the use of the Committee on Patents UNITED STATES WASHINGTON: 1942 |