Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4809830 | Torque transmitting torsional vibration damper device | Bernhard Schierling, Manfred Caspar, Harald Raab, Franz Hartig, Norbert Pieper | 1989-03-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4809830 | Torque transmitting torsional vibration damper device | Bernhard Schierling, Manfred Caspar, Harald Raab, Franz Hartig, Norbert Pieper | 1989-03-07 |