Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5298836 | Power supply circuit for gas discharge lamps operating at a resonant frequency | Peter Backmund, Helmut Losel | 1994-03-29 |
| 5175471 | Circuit arrangement for the operation of a fluorescent lamp | Jurgen Ludwig | 1992-12-29 |