Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4458194 | Method and apparatus for pulse width modulation control of an AC induction motor | James M. Slicker | 1984-07-03 |
| 4316132 | PWM Inverter control and the application thereof within electric vehicles | — | 1982-02-16 |
| 4222491 | Crane operating aid and sensor arrangement therefor | — | 1980-09-16 |
| 4216868 | Optical digital sensor for crane operating aid | — | 1980-08-12 |