American Well Works

American W

Active Patents

Total Holdings

Patent Holdings

Patent No.	Title	Status	Filing Date	Grant Date	Actions
US2245035A	Centrifugal sludge pump	Expired / Lapsed	1939-02-13	1941-06-10	Details
US1839126A	Impeller	Expired / Lapsed	1929-05-17	1931-12-29	Details
US1754992A	Centrifugal pump	Expired / Lapsed	1926-12-06	1930-04-15	Details