Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11746847 | Clutch system and vehicle transmission system including the same | Benjamin A. Siegel, Steven John Kowal, David T. Vierk | 2023-09-05 |
| 11092200 | Friction plate and clutch assembly including the same | Benjamin A. Siegel, Paul H. Elsesser, David T. Vierk | 2021-08-17 |