Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6601925 | Method for retarder control and control apparatus for the same | Jürgen Betz, Roland Scherer | 2003-08-05 |
| 6561324 | Drive unit including a motor and a retarder | Jurgen Friedrich, Peter Heilinger, Peter Rose | 2003-05-13 |
| 6546899 | Method and device for increasing the use of the braking moment of a retarder in an automobile | Jurgen Friedrich | 2003-04-15 |