AMERICAN GASACCUMULATOR Co

AMERICAN G

Active Patents

Total Holdings

Patent Holdings

Patent No.	Title	Status	Filing Date	Grant Date	Actions
US1856505A	Valve	Expired / Lapsed	1930-02-01	1932-05-03	Details
US1813874A	Marine light signal reflector	Expired / Lapsed	1928-12-21	1931-07-07	Details
US1688018A	Reflector-signal head	Expired / Lapsed	1926-11-11	1928-10-16	Details