Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4829278 | Circuit breaker trip bar interlock | Alfred E. Maier, Melvin A. Carrodus | 1989-05-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4829278 | Circuit breaker trip bar interlock | Alfred E. Maier, Melvin A. Carrodus | 1989-05-09 |