Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5908100 | Vibration dampening clutch driven disc | Michael J. Hall, Rock L. Hartshorn | 1999-06-01 |
| 5657845 | Vibration dampening clutch driven disc | Michael J. Hall, Rock L. Hartshorn | 1997-08-19 |
| 5421438 | Clutch having hydrodynamic cooling of pressure plate | Richard A. Flotow | 1995-06-06 |