Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7485819 | Steering column switch | Erik Reischl, Peter Leng, Joachim Koehler | 2009-02-03 |
| 6410909 | Device for the determination of the degree of relative rotation between two parts | Gerd Rudolph, Markus Leuschner | 2002-06-25 |
| 5905326 | Piezoelectric buzzer control circuit | — | 1999-05-18 |
| 5381080 | Control device | Gunther Hahlganss | 1995-01-10 |