Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8410722 | Illumination system | Manfred Petschulat, Thomas Roth | 2013-04-02 |
| 5557174 | Electronic ballast with dimmer and harmonics filter for supplying a load, for example a lamp | — | 1996-09-17 |