Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6827193 | Adjustable friction torque device | John Conrad, Roger E. Knueve, Martin E. Kummer, Glen A. Pepple, David L. Rollins | 2004-12-07 |
| 6808055 | Friction clutch with installation device | Martin E. Kummer | 2004-10-26 |