Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7874697 | Lamp | Ulrich Biebel, Udo Custodis, Ulrich Henger | 2011-01-25 |
| 5637960 | Ceramic discharge vessel for a high-pressure discharge lamp, having a filling bore sealed with a plug, and method of its manufacture | Stefan Juengst, Roland Huettinger, Osamu Asano, Kouichiro Maekawa | 1997-06-10 |