Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5657723 | Drive unit with internal combustion engine and hydrodynamic retarder | Peter Edelmann, Jurgen Friedrich, Hans Gebhardt, Alfred Neitz, Klaus Vogelsang | 1997-08-19 |
| 5613472 | Drive unit with internal combustion engine and hydrodynamic retarder | Peter Edelmann, Jurgen Friedrich, Hans Gebhardt, Alfred Neitz, Klaus Vogelsang | 1997-03-25 |