Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7550686 | Rotary switch in a motor vehicle | Klaus Mueller, Josef Ferstl | 2009-06-23 |
| 7394034 | Electric push-button switch with lighting arrangement | Jens Ostendorf, Hans-Joachim Frohne | 2008-07-01 |