Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9019001 | Gate driver for enhancement-mode and depletion-mode wide bandgap semiconductor JFETs | Robin Kelley | 2015-04-28 |
| 8203377 | Gate driver for enhancement-mode and depletion-mode wide bandgap semiconductor JFETs | Robin Kelley | 2012-06-19 |
| 5810072 | Forced air cooler system | Larry F. Rinehart | 1998-09-22 |
| 5202820 | Saturable inductor protection circuit for inductive load driver | John Michael Miller | 1993-04-13 |
| 5053688 | Feedback circuit for eliminating DC offset in drive current of an AC motor | — | 1991-10-01 |
| 5006774 | Torque angle control system for controlling the torque angle of a permanent magnet synchronous motor | — | 1991-04-09 |
| 4967122 | Digital synchronizing circuit for brushless DC motor | — | 1990-10-30 |
| 4897583 | Variable speed variable torque brushless DC motor | — | 1990-01-30 |
| 4618810 | Variable speed AC motor control system | James E. Hagerman, William D. Mathewes, Albert Joseph Flack | 1986-10-21 |