Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6274833 | Plug-in trip unit joint for a molded case circuit breaker | — | 2001-08-14 |
| 5004875 | Stored energy contact operating mechanism | David A. Leone, Mark E. Bell | 1991-04-02 |
| 4899022 | Stored energy operating mechanism charging handle and cover assembly | David A. Leone, William D. Holland, Mark E. Bell, W. Dale Robbins | 1990-02-06 |