Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8884544 | Method for operating a lamp and electronic ballast | Walter Limmer | 2014-11-11 |
| 8450875 | Apparatus and method for controlling electrical loads | Maximilian Schmidl | 2013-05-28 |
| 7839093 | Circuit arrangement with continuously oscillating modulated operating frequency, and method, for the operation of high-pressure gas discharge lamps | Herbert Kästle | 2010-11-23 |
| 7288897 | Circuit arrangement for operating at least one high pressure discharge lamp | — | 2007-10-30 |