Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 6927544 | Lighting control system with variable arc control including start-up circuit for providing a bias voltage supply | — | 2005-08-09 | |
| 6724152 | Lighting control system with variable arc control including start-up circuit for providing a bias voltage supply | — | 2004-04-20 | |
| 6075326 | High intensity discharge lamp ballast and lighting system | — | 2000-06-13 | |
| 5734230 | Fail-safe lighting system with load shedding and dimming | M. Larry Edwards, Mark Brown, Roland O. Hildebrand | 1998-03-31 | |
| 5675476 | Phase controlled bridge | — | 1997-10-07 | |
| 5633564 | Modular uninterruptible lighting system | M. Larry Edwards, Roland O. Hildebrand | 1997-05-27 | |
| 5614810 | Power factor correction circuit | Bryce L. Hesterman | 1997-03-25 | $4,257,000 |
| 5583402 | Symmetry control circuit and method | Mihail S. Moisin, Bryce L. Hesterman, Antonio M. Marques | 1996-12-10 | $1,733,000 |
| 5063331 | High frequency oscillator-inverter circuit for discharge lamps | — | 1991-11-05 |