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Oliver United Filters Inc

Oliver Uni

Active Patents

0

Total Holdings

4

Patent Holdings

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Patent No.	Title	Status	Filing Date	Grant Date	Claims	Actions
US2459527A	Valve for overflow systems	Expired / Lapsed	1945-12-27	1949-01-18	0	Details
US2311229A	Pump	Expired / Lapsed	1941-04-19	1943-02-16	0	Details
US2243311A	Filter	Expired / Lapsed	1938-04-23	1941-05-27	0	Details
US1734325A	Tubular filter press	Expired / Lapsed	1928-05-28	1929-11-05	0	Details