Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6486613 | Reducing the clamping voltage of operating devices for gas discharge lamps | Felix Franck | 2002-11-26 |
| 6483256 | Operating device for discharge lamps with switch relief for the preheating of electrode filaments | — | 2002-11-19 |