Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7009126 | Load terminal cover | Douglas P. VANWAART | 2006-03-07 |
| 6437268 | Circuit breaker terminal connector | Donald Nohavec, Joni Orum, Douglas M. Thomas | 2002-08-20 |
| 5166862 | Panel for mounting electronics | Leon W. Durivage, III | 1992-11-24 |
| 4921083 | Clutch module with predetermined torque | Darrell P. Ophaug | 1990-05-01 |
| 4912380 | Field installable electrical operator for a circuit breaker | Henry J. Zylstra, Darrell P. Ophaug | 1990-03-27 |
| 4910443 | Electronic control circuit for a bidirectional motor | Henry J. Zylstra | 1990-03-20 |