Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4870532 | Electric circuit for operating trip circuit of a circuit breaker | William E. Beatty, Jr. | 1989-09-26 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4870532 | Electric circuit for operating trip circuit of a circuit breaker | William E. Beatty, Jr. | 1989-09-26 |