Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5649348 | Method of assembling and mounting a torque transmitting apparatus | Johann Jackel | 1997-07-22 |
| 5634851 | Apparatus for damping-torsional vibrations | Albert Albers, Johann Jackel | 1997-06-03 |