Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5374875 | High-power factor circuit for energizing gas discharge lamps | John G. Konopka | 1994-12-20 |
| 5373218 | Toggle brightening circuit for powering gas discharge lamps and method for operating gas discharge lamps | John G. Konopka, J. Ray Wood | 1994-12-13 |
| 5363018 | Ballast circuit equipped with ground fault detector | — | 1994-11-08 |