Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6168143 | Pneumatic spring | Holger Oertel | 2001-01-02 |
| 6102378 | Spring device | Eckhard Gieseler | 2000-08-15 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6168143 | Pneumatic spring | Holger Oertel | 2001-01-02 |
| 6102378 | Spring device | Eckhard Gieseler | 2000-08-15 |