Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9805926 | Vibration resistant automotive front lighting lamp | Bernd Schönfelder, Gerd-Peter Dohlen | 2017-10-31 |
| 5780732 | Method for the verification of electrical connections for an antilock braking system of a vehicle | Axel Gieseler, Klaus Lindemann, Henrich Riedemann, Gerhard Ruhnau, Manfred Saba +1 more | 1998-07-14 |
| 5320562 | Capped electric lamp | Reiner Feder, Willem G. De Vrij | 1994-06-14 |
| 5118169 | Control valve device | — | 1992-06-02 |
| 4962690 | Relay-controlled valve | Erwin Petersen, Johann Rothen | 1990-10-16 |
| 4903576 | Solenoid-controlled valve arrangement | Siegfried Hofler, Erwin Petersen, Johann Rothen | 1990-02-27 |