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G M LAB Inc

G M LAB In
Active Patents
0
Total Holdings
6

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US2398657A Relay Expired / Lapsed 1941-12-29 1946-04-16 0 Details
US2320632A Method of producing magnet structures Expired / Lapsed 1939-11-27 1943-06-01 0 Details
US2123142A Indicating and calculating system Expired / Lapsed 1932-09-19 1938-07-05 0 Details
US2092478A Electric switch Expired / Lapsed 1936-03-02 1937-09-07 0 Details
US2087039A Counting system Expired / Lapsed 1932-08-20 1937-07-13 0 Details
US2067613A Electric control device Expired / Lapsed 1932-09-19 1937-01-12 0 Details