Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7323830 | Lighting arrangement having a fluorescent lamp, particularly a cold cathode lamp | Robert Weger | 2008-01-29 |
| 6285150 | Method for controlling the operating voltage of a fan in electrical equipment | Peter Busch | 2001-09-04 |
| 5731671 | Method and circuit arrangement for controlling fans | Peter Busch | 1998-03-24 |