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Commonwealth Engineering Company of Ohio

Commonweal
Active Patents
0
Total Holdings
25

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US3025082A Paper holder Expired / Lapsed 1959-10-26 1962-03-13 0 Details
US2988694A Automatic fault locator Expired / Lapsed 1956-08-06 1961-06-13 0 Details
CA617654A Iodo-carboxymethyl dextran and methods of making it Expired / Lapsed — 1961-04-04 0 Details
US2933051A Method and apparatus for pumping Expired / Lapsed 1956-04-25 1960-04-19 0 Details
US2901905A Portable strain gauge calibrator Expired / Lapsed 1955-10-06 1959-09-01 0 Details
US2898234A Method of producing composite metallic bodies Expired / Lapsed 1953-08-14 1959-08-04 2 Details
US2888877A Apparatus for pumping Expired / Lapsed 1956-04-19 1959-06-02 0 Details
US2881518A Continuous gas plated metal article Expired / Lapsed 1956-11-23 1959-04-14 0 Details
US2875588A Preservation of red blood cells Expired / Lapsed 1953-06-11 1959-03-03 2 Details
US2854028A Variable surge chamber and/or accumulator Expired / Lapsed 1955-09-29 1958-09-30 0 Details
US2847330A Method and apparatus for gas plating printing circuits Expired / Lapsed 1954-07-28 1958-08-12 2 Details
US2790731A Method and apparatus for the production of electrically res… Expired / Lapsed 1953-12-14 1957-04-30 2 Details
US2760261A Method of bonding articles Expired / Lapsed 1952-04-17 1956-08-28 2 Details
US2754465A Electric motor control for power steering Expired / Lapsed 1952-06-07 1956-07-10 0 Details
US2748774A Collagen strands and method of treating Expired / Lapsed 1953-12-17 1956-06-05 1 Details
US2674517A Dextran filament manufacture Expired / Lapsed 1951-08-08 1954-04-06 2 Details
US2657457A Continuous metal production and continuous gas plating Expired / Lapsed 1949-09-10 1953-11-03 0 Details
US2638423A Method and apparatus for continuously plating irregularly s… Expired / Lapsed 1949-08-25 1953-05-12 2 Details
US2624768A Dextran battery separator plate Expired / Lapsed 1951-07-23 1953-01-06 2 Details
US2619433A Method of gas plating Expired / Lapsed 1949-07-14 1952-11-25 2 Details
US2592081A Method of making containers Expired / Lapsed 1949-03-26 1952-04-08 2 Details
US2580976A Apparatus for plating metal strips Expired / Lapsed 1950-07-29 1952-01-01 0 Details
US2576198A Windshield sprayer Expired / Lapsed 1949-02-10 1951-11-27 0 Details
US2475601A Bonding of metal carbonyl deposits Expired / Lapsed 1946-04-26 1949-07-12 0 Details
US2332309A Gaseous metal deposition Expired / Lapsed 1940-05-20 1943-10-19 0 Details