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F W MANNING Co Ltd

F W MANNIN

Active Patents

0

Total Holdings

4

Patent Holdings

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Patent No.	Title	Status	Filing Date	Grant Date	Claims	Actions
US2218339A	Filter and oil recharge	Expired / Lapsed	1936-09-22	1940-10-15	0	Details
US2218338A	Method and apparatus for making filter fabric	Expired / Lapsed	1936-09-05	1940-10-15	0	Details
US2152901A	Method of making filter fabric	Expired / Lapsed	1936-09-05	1939-04-04	0	Details
US2128589A	Rechargeable filter	Expired / Lapsed	1935-11-13	1938-08-30	0	Details