Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6147459 | Voltage-controlled ballast for gas-discharge lamps | Peter Haaf | 2000-11-14 |
| 6147462 | Ballast | Roland Sing | 2000-11-14 |
| 6043612 | Electronic ballast with automatic restarting | Peter Haaf | 2000-03-28 |
| 6011358 | Ballast for independent parallel operation of low-pressure gas discharge lamps | Peter Haaf | 2000-01-04 |