← Back to Companies

HAMMOND V HAYES

HAMMOND V

Active Patents

0

Total Holdings

4

Patent Holdings

Filter in Explorer →

Patent No.	Title	Status	Filing Date	Grant Date	Claims	Actions
US2284850A	Speed indicating apparatus	Expired / Lapsed	1939-04-19	1942-06-02	0	Details
US2198725A	Alarm system	Expired / Lapsed	1937-12-09	1940-04-30	0	Details
US2115578A	Radiant energy receiver	Expired / Lapsed	1936-10-31	1938-04-26	0	Details
US1380869A	Submarine signaling	Expired / Lapsed	1920-03-26	1921-06-07	0	Details