Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5268617 | Power-supply apparatus for starting and operating a high-pressure gas discharge lamp | Wolfgang Daub | 1993-12-07 |
| 5182432 | Crack detector and heating circuit for motor vehicle headlight light transmissive shield | Ulrich Lange, Wolfgang Daub | 1993-01-26 |