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Oliver United Filters Inc

Oliver Uni
Active Patents
0
Total Holdings
3

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
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