Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6874608 | Clutch internal shielding device | John Conrad, Roger E. Knueve, John D. Kroemer, Jonathan P. Young, John Schenkel | 2005-04-05 |
| 6450315 | Spring ferrule for friction clutch with automatic adjustment feature | John Conrad, G. Andrew Pepple | 2002-09-17 |
| 6098773 | Friction clutch having protective internal shield | Daniel V. Gochenour, John Conrad | 2000-08-08 |