Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5062517 | Tuned damper for a torque converter clutch | Robert A. Muchmore | 1991-11-05 |
| 4856638 | Clutch damper with friction lag | Dennis C. Dull | 1989-08-15 |
WR
William H. Roth
Overall (All Time): #2,319,814 of 4,157,543Top 60%
2
Patents All Time