Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6132074 | Headlight for a vehicle | Ursula Bristle, Juergen Mueller, Heike Eichler, Doris Boebel | 2000-10-17 |
| 6057650 | Input circuit for the starter of a high-pressure gas-filled discharge lamp | Dieter Betz, Ulrich Drews, Thomas Gross, Bernd Rothfuss | 2000-05-02 |
| 5894202 | Ignition device for gas discharge lamps, particularly for motor vehicle lights | Dieter Betz, Ulrich Drews, Thomas Gross, Bernd Rothfuss | 1999-04-13 |
| 5892332 | Starter for a high-pressure gas discharge lamp | Ulrich Drews, Bernd Rothfuss | 1999-04-06 |
| 5434763 | Headlight for motor vehicles | Guenter Hege, Thomas E. Froelich, Sr., Ulrich Drews | 1995-07-18 |