Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5122698 | Apparatus affording efficient electrical contact between rotor surface current carrying parts at low speeds for a turbo-electric machine | Duncan N. Walker, Richard J. Keck, James R. Pedersen, Dennis R. Ulery, Edmund E. Kazmierczak +1 more | 1992-06-16 |
| 5090114 | Tool for applying slot wedges | Duncan N. Walker, Dennis R. Ulery, Edmund E. Kazmierczak, Richard J. Keck, James R. Pedersen +1 more | 1992-02-25 |
| 4745315 | Brushless exciter with zero-gravity rectifier assembly | Robert G. Hamilton | 1988-05-17 |
| 4564779 | Dynamoelectric machine stator using cylindrical keybars | — | 1986-01-14 |
| 4407602 | Insulated coupling | — | 1983-10-04 |