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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