Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5542507 | Position dependent variable output torque viscous damper | Mark Warchocki | 1996-08-06 |
| 4953778 | Method of making torsional vibration damper having a roll spun housing | Thomas J. Critton, Donald S. Johnson, Ralph Yorio | 1990-09-04 |
| 4872369 | Torsional vibration damper having a roll spun housing and other improvements | Thomas J. Critton, Donald S. Johnson, Ralph Yorio | 1989-10-10 |