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Chicago Pump Co

Chicago Pu
Active Patents
0
Total Holdings
3

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US2272469A Centrifugal pump Expired / Lapsed 1939-12-23 1942-02-10 0 Details
US2029765A Pumping apparatus Expired / Lapsed 1934-04-07 1936-02-04 0 Details
US1859436A Seal for shafts Expired / Lapsed 1928-10-13 1932-05-24 0 Details