Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4803774 | Method of making molded case circuit breaker contact arrangement | Robert A. Morris, James M. Mitsch, Yuet-Ying Yu, Roger N. Castonguay | 1989-02-14 |
| 4796154 | Molded case circuit breaker with contact status indicating handle | Robert A. Morris, Roger N. Castonguay | 1989-01-03 |