Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5606941 | Variable timing camshaft drive system | Alfred Trzmiel, Thomas Alber, Andreas Jaksch, Olaf Fiedler | 1997-03-04 |
| 5597367 | Apparatus for tensioning of a cam shaft drive | Alfred Trzmiel, Peter Schmied | 1997-01-28 |