Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4881723 | Double-damped gas spring with friction liner and sealing ring | Hans-Peter Bauer, Ludwig Stadelmann | 1989-11-21 |
| 4844392 | Gas spring adjustable in length for vertically adjustable chairs, tables and the like | Hans-Peter Bauer, Adolf Gebhardt | 1989-07-04 |
| 4796871 | Gas spring with end position damping | Hans-Peter Bauer, Ludwig Stadelmann, Emil Frisch | 1989-01-10 |