Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4881723 | Double-damped gas spring with friction liner and sealing ring | Hans J. Bauer, Hans-Peter Bauer | 1989-11-21 |
| 4796871 | Gas spring with end position damping | Hans-Peter Bauer, Hans J. Bauer, Emil Frisch | 1989-01-10 |