Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4862125 | Electrical switching device with cover interlock | James R. Farley | 1989-08-29 |
| 4829278 | Circuit breaker trip bar interlock | John K. Livesey, Melvin A. Carrodus | 1989-05-09 |
| 4827231 | Molded case circuit breaker with viewing window and sliding barrier | Ronald A. Cheski | 1989-05-02 |