Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6225757 | Combination MH/HPS ballast | Robert P. Boydston, Daniel Soule, Candler A. Willis | 2001-05-01 |
| 6031340 | Device and method for capacitive bi-level switching of high intensity discharge lighting | — | 2000-02-29 |
| 5751523 | Secondary ground fault protected luminous tube transformer for mid-point connected luminous tubes | Gerald L. Ballard | 1998-05-12 |