Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5703441 | Multi-function filament-heater power supply for an electronic ballast for long-life dimmerable lamps | Chester Frank Saj, Ljubisa Dragoljub Stevanovic | 1997-12-30 |
| 5701059 | Elimination of striations in fluorescent lamps driven by high-frequency ballasts | Ljubisa Dragoljub Stevanovic | 1997-12-23 |
| 5608771 | Contactless power transfer system for a rotational load | John A. Mallick, John Norton Park | 1997-03-04 |
| 5594629 | High-frequency switching circuits operable in a natural zero-voltage switching mode | — | 1997-01-14 |