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Aro Equipment Corp

Aro Equipm
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Total Holdings
10

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US2846984A Motor construction Expired / Lapsed 1954-11-09 1958-08-12 0 Details
US2842994A Rotary impact wrench Expired / Lapsed 1955-12-05 1958-07-15 0 Details
US2805371A Capacitance sensing element Expired / Lapsed 1955-10-24 1957-09-03 0 Details
US2414638A Reversing valve Expired / Lapsed 1944-11-08 1947-01-21 0 Details
US2380510A Servo unit Expired / Lapsed 1942-10-12 1945-07-31 0 Details
US2175522A Combination high and low pressure lubricant pump Expired / Lapsed 1937-04-27 1939-10-10 0 Details
US2069434A Speed coupler Expired / Lapsed 1936-03-16 1937-02-02 0 Details
US1976061A Grease gun structure Expired / Lapsed 1933-01-23 1934-10-09 0 Details
US1943605A Greasing apparatus Expired / Lapsed 1931-11-23 1934-01-16 0 Details
US1926399A Lubricant reservoir and follower construction Expired / Lapsed 1932-07-18 1933-09-12 0 Details