Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7438368 | Electrical braking device for vehicle trailers and method for operation thereof | Robert Kohler | 2008-10-21 |
| 5848554 | Multistage spindle drive for converting rotary motion into linear motion | Armin Rampp | 1998-12-15 |
| 4664402 | Coupling link between a towing vehicle and a trailer, preferably a two-wheeled trailer | Rudolf Wohrle, Robert Kohler | 1987-05-12 |
| 4577882 | Tractor trailer combination with a coupling connection | Rudolf Wohrle, Robert Kohler | 1986-03-25 |
| 4502561 | Tractor-trailer combination with a coupling connection | Rudolf W/o/ hrle, Robert K/o/ hler | 1985-03-05 |