Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5893428 | Hydraulic power steering | Bernd Langkamp, Arno Rohringer, Bernd Schick | 1999-04-13 |
| 5845557 | Servo valve | Gerd Speidel | 1998-12-08 |
| 5027916 | Hydraulic auxiliary-force control of steering | Arno Rohringer, Reinhold Abt, Wolfgang Jorg | 1991-07-02 |