Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6104142 | Circuit arrangement for operating low-pressure discharge lamps | — | 2000-08-15 |
| 5677601 | Operating circuit for low-power low-pressure discharge lamps, particularly compact fluorescent lamps | — | 1997-10-14 |
| 5027033 | High-efficiency fluorescent lamp operating circuit | — | 1991-06-25 |
| 5008597 | Power network supplied high-frequency low-pressure discharge lamp operating circuit | — | 1991-04-16 |
| 4949013 | High-frequency operating circuit for a fluorescent lamp | — | 1990-08-14 |
| 4808887 | Low-pressure discharge lamp, particularly fluorescent lamp high-frequency operating system with low inductance power network circuit | Hans-Jurgen Fahnrich | 1989-02-28 |
| 4710682 | Fluorescent lamp operating circuit | — | 1987-12-01 |
| 4572989 | Rapid-start, low-pressure discharge lamp operating circuit | — | 1986-02-25 |
| 4438372 | Multiple low-pressure discharge lamp operating circuit | — | 1984-03-20 |
| 4398126 | Protected low-pressure discharge lamp operating circuit | — | 1983-08-09 |