← Back to Companies

Western Geophysical Company of America

Western Ge

Active Patents

0

Total Holdings

5

Patent Holdings

Filter in Explorer →

Patent No.	Title	Status	Filing Date	Grant Date	Claims	Actions
US3307285A	Pneumatic method for catching or scaring fish	Expired / Lapsed	1965-12-13	1967-03-07	2	Details
US3107307A	Combined transistor amplifier and switching circuit	Expired / Lapsed	1960-08-15	1963-10-15	2	Details
US2117365A	Seismic surveying	Expired / Lapsed	1937-12-20	1938-05-17	0	Details
US2111643A	Seismometer	Expired / Lapsed	1935-12-31	1938-03-22	0	Details
US2064385A	Apparatus for determining subsurface geological formations	Expired / Lapsed	1935-07-03	1936-12-15	0	Details