Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4651076 | Power maximizing circuit for stepper motors | Michael Marhoefer | 1987-03-17 |
| 4603283 | Variable speed control for a brushless direct current motor | — | 1986-07-29 |
| 4469996 | Input control circuit for a step motor | — | 1984-09-04 |
| 4380722 | Accommodation circuit for a step motor | — | 1983-04-19 |
| 4337428 | Deceleration initiation circuit for a stepper motor | — | 1982-06-29 |
| 4333045 | Acceleration shaping circuit for a stepper motor | — | 1982-06-01 |