Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6427654 | Device for changing the control timing of the gas exchange valves of an internal combustion engine, in particular a hydraulic camshaft adjustment device of the rotary piston type | Martin Steigerwald, Jens Schafer, Matthias Kapp, Joachim Dietz | 2002-08-06 |