Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7924021 | Procedure for testing the function of a lamp circuit | Uli Joos, Nicolai Jeutner | 2011-04-12 |
| 7888890 | Method for controlling an electrical light source by pulse width modulation | Uli Joos, Christian Voss, Josef Schnell | 2011-02-15 |