Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7911148 | Circuit arrangement for operating a discharge lamp having temperature compensation | Klaus Fischer | 2011-03-22 |
| 7911154 | Electronic ballast with phase dimmer detection | Klaus Fischer | 2011-03-22 |