Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5646491 | Electrical motor with a differential phase back EMF sensing circuit for sensing rotor position | David M. Erdman | 1997-07-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5646491 | Electrical motor with a differential phase back EMF sensing circuit for sensing rotor position | David M. Erdman | 1997-07-08 |