Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6972653 | Displacement control device | Thomas Czeppel, Norbert Quast, Rolf Ziegler | 2005-12-06 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6972653 | Displacement control device | Thomas Czeppel, Norbert Quast, Rolf Ziegler | 2005-12-06 |