Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6833678 | Circuit arrangement for operating discharge lamps | Siegfried Mayer | 2004-12-21 |
| 6677716 | Operating device for gas discharge lamp | Bernd Rudolph | 2004-01-13 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6833678 | Circuit arrangement for operating discharge lamps | Siegfried Mayer | 2004-12-21 |
| 6677716 | Operating device for gas discharge lamp | Bernd Rudolph | 2004-01-13 |