Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4890845 | Game apparatus with rotating elements | — | 1990-01-02 |
| 4485908 | Vibration damper with variable rate springs and damping friction | — | 1984-12-04 |
| 4485909 | Multiple stage vibration damper | — | 1984-12-04 |
| 4465172 | Clutch disc with a variable torsional damper | — | 1984-08-14 |
| 4401201 | Clutch driven plate assembly | — | 1983-08-30 |
| 4185728 | Clutch disc with variable deflection rate vibration damper | — | 1980-01-29 |