Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4874350 | Torsional damper device comprising two coaxial parts cooperating with circumferentially acting springs | Gustave Chasseguet | 1989-10-17 |
| 4844222 | Locking assembly for hydrokinetic device suitable for automobile transmission | Rene Billet | 1989-07-04 |
| 4838395 | Torsion damping device | Gustave Chasseguet, Jacky Naudin | 1989-06-13 |