Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5665192 | Method of making tubes out of composite material having high tribiological and mechanical characteristics | Emmanuel Edeline, Jean-Francois Cretegny | 1997-09-09 |
| 5655634 | Shock absorbers and vibration dampers; and shock absorbers and vibration dampers with a piston with a piston ring; and a cyclinder with a piston with a piston ring | Manfred Grundei, Norbert Deppert, Robert Wieser | 1997-08-12 |