Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4982173 | Rotatable trip test assembly for molded case circuit breakers | Roger N. Castonguay, David Arnold | 1991-01-01 |
| 4929920 | Compact circuit breaker with an electronic trip unit | Robert A. Morris, David Arnold, Roger N. Castonguay, Joseph M. Palmieri | 1990-05-29 |
| 4894632 | Molded case circuit breaker operating mechanism fold-down arrangement | Roger N. Castonguay | 1990-01-16 |
| 4864263 | Molded case circuit breaker latch and operating mechanism assembly | Roger N. Castonguay | 1989-09-05 |
| 4835842 | Method of assembling a molded case circuit breaker operating mechanism | Roger N. Castonguay | 1989-06-06 |
| 4789848 | Molded case circuit breaker latch and operating mechanism assembly | Roger N. Castonguay | 1988-12-06 |
| 4782583 | Method of assembling a molded case circuit breaker crossbar | Roger N. Castonguay, David Arnold | 1988-11-08 |
| 4736174 | Molded case circuit breaker operating mechanism | Roger N. Castonguay | 1988-04-05 |
| 4733211 | Molded case circuit breaker crossbar assembly | Roger N. Castonguay, David Arnold | 1988-03-22 |