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Airpax Electronics Inc

Airpax Ele
Active Patents
0
Total Holdings
5

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US3959755A Circuit breaker with improved delay Expired / Lapsed 1974-12-13 1976-05-25 11 Details
US3846697A Digital pickup Expired / Lapsed 1972-11-14 1974-11-05 3 Details
US3193644A Circuit breakers controlling an external alarm circuit Expired / Lapsed 1961-08-25 1965-07-06 2 Details
US3021480A Voltage compensation Expired / Lapsed 1959-12-14 1962-02-13 0 Details
US3004220A Frequency responsive network Expired / Lapsed 1957-08-20 1961-10-10 0 Details