Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4862131 | Trip crossbar translation to prevent bimetal overstressing in a circuit breaker | Clark L. Oster, Paul Rustebakke | 1989-08-29 |
| 4829147 | Circuit breaker with positive contact indication | John M. Winter | 1989-05-09 |