Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6586892 | Method of and device for operating a gas discharge lamp | Gunther Hans Derra, Thomas Krücken, Holger Moench, Xaver Riederer | 2003-07-01 |
| 6552499 | High-pressure gas discharge lamp, and method of manufacturing same | Guenther Hans Derra, Dieter Leers, Holger Moench | 2003-04-22 |