Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6450314 | Apparatus for damping torsional vibrations | Johann Jackel | 2002-09-17 |
| 6418620 | Method of making bearings for use in torsional vibration dampers | Johann Jackel | 2002-07-16 |
| 6213270 | Apparatus for damping torsional vibrations | Johann Jackel | 2001-04-10 |
| 6129192 | Bearings for use in torsional vibration dampers | Johann Jackel | 2000-10-10 |