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Allen Sherman Hoff Co

Allen Sher

Active Patents

0

Total Holdings

5

Patent Holdings

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Patent No.	Title	Status	Filing Date	Grant Date	Claims	Actions
US2985420A	Fluid control devices	Expired / Lapsed	1958-01-16	1961-05-23	0	Details
US2693761A	Axial adjustment for pump bearings	Expired / Lapsed	1949-08-24	1954-11-09	0	Details
US2232648A	Centrifugal pump structure	Expired / Lapsed	1939-01-26	1941-02-18	0	Details
US2220669A	Impeller for centrifugal pumps	Expired / Lapsed	1937-12-06	1940-11-05	0	Details
US1937461A	Oil sealing device	Expired / Lapsed	1930-10-25	1933-11-28	0	Details