Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4215328 | Circuit breaker having an electronic fault sensing and trip initiating unit | Ferdinand E. Chabot | 1980-07-29 |
| 4209817 | Circuit breaker having an electronic fault sensing and trip initiating unit | — | 1980-06-24 |
| 4208689 | Circuit breaker having an electronic fault sensing and trip initiating unit | Robert W. Dunham, Henry J. Zylstra | 1980-06-17 |
| 4208690 | Circuit breaker having an electronic fault sensing and trip initiating unit | Henry J. Zylstra | 1980-06-17 |
| 4208693 | Circuit breaker having an electronic fault sensing and trip initiating unit | James W. Dickens, Henry J. Zylstra | 1980-06-17 |