Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8111010 | Dimmable operating device having internal dimming characteristic | Michael Zimmermann, Martin Hartmann, Andreas John, Mathias Duenser | 2012-02-07 |
| 6140771 | Method and device for detecting the rectification effect that occurs in a gas discharge lamp | Siegfried Luger, Thomas Marinelli | 2000-10-31 |