Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7993233 | Friction coupling with actuator and a ball bearing | Theodor Gassmann, Mark Schmidt, Kurt Mueller | 2011-08-09 |
| 7699740 | Friction coupling with actuator and plate spring | Theodor Gassmann, Mark Schmidt, Kurt Muller | 2010-04-20 |