Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5404089 | PWM inverter controller with wave form memory | David F. Flanagan, John R. Lindbery | 1995-04-04 |
| 5400237 | PWM inverter controller with waveform memory | David F. Flanagan, John R. Lindbery | 1995-03-21 |