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MACCLATCHIE Manufacturing Co

MACCLATCHI
Active Patents
0
Total Holdings
2

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US2888238A Pump valves Expired / Lapsed 1954-11-18 1959-05-26 0 Details
US2148850A Mud pump valve Expired / Lapsed 1931-12-19 1939-02-28 0 Details