Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4354393 | Phase locked gyroscope wheel supply for synchronous hysteresis motor | Frank L. Rosen, Donald J. Weber | 1982-10-19 |
| 4298832 | Digital motor speed controller | William C. Wessling, Arnold J. Brand, Bob N. Naydan | 1981-11-03 |