Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5789896 | Apparatus and method for controlling an electric motor having an armature and a series-wound, series-connected field coil that can be separately controlled during regenerative braking | George A. Fischer | 1998-08-04 |
| 5117919 | Torque control system and method | John A. Borries | 1992-06-02 |