Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6031965 | Separately excited DC motor with boost and de-boost control | Joseph K. Hammer, John R. Harman, Christopher Moore Killian, Robert Gordon Lankin | 2000-02-29 |
| 6021251 | Compensated field current control for a separately excited DC motor | Joseph K. Hammer, John R. Harman, Christopher Moore Killian, Robert Gordon Lankin | 2000-02-01 |