Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7973476 | High-pressure mercury discharge lamp | Markus Kolodziejczyk, Wolfgang Spielmann | 2011-07-05 |
| 7911143 | Discharge lamp with a holding apparatus for the electrodes | Lars Menzel, Matthias Morkel | 2011-03-22 |