Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5349270 | Transformerless fluorescent lamp operating circuit, particularly for a compact fluorescent lamp, with phase-shifted inverter control | Werner Bernhard, Ludwig Reiser | 1994-09-20 |
| 5008596 | Fluorescent lamp high frequency operating circuit | Roland Kastl | 1991-04-16 |
| 4647817 | Discharge lamp starting circuit particularly for compact fluorescent lamps | Hans-Jurgen Fahnrich, Eugen Statnic | 1987-03-03 |
| 4588925 | Starting circuit for low-pressure discharge lamp, such as a compact fluorescent lamp | Hans-Jurgen Fahnrich | 1986-05-13 |