Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6472876 | Sensing and balancing currents in a ballast dimming circuit | Hubertus Notohamiprodjo | 2002-10-29 |
| 6140771 | Method and device for detecting the rectification effect that occurs in a gas discharge lamp | Siegfried Luger, Falk Richter | 2000-10-31 |
| 5656891 | Gas discharge lamp ballast with heating control circuit and method of operating same | Siegfried Luger | 1997-08-12 |