Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6351080 | Circuitry for dimming a fluorescent lamp | Gunter Hahlganss, Walter Kares, Ulrich Roskoni | 2002-02-26 |
| 6313585 | Method for dimming a fluorescent lamp arranged in the secondary circuit of a transformer and arrangement to implement said method | — | 2001-11-06 |