Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE33866 | Resonant inverter employing frequency and phase modulation using optimal trajectory control | Michael Joseph Schutten, John Norton Park | 1992-03-31 |
| 4969076 | Load compensating gain control for a series resonant inverter | Michael Joseph Schutten, John Norton Park | 1990-11-06 |
| 4951185 | Resonant inverter employing frequency and phase modulation using optimal trajectory control | Michael Joseph Schutten, John Norton Park | 1990-08-21 |
| 4675502 | Real time tracking control for taught path robots | Kenneth B. Haefner, Larry M. Sweet | 1987-06-23 |