Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5801351 | Method for welding hinge pins onto elements intended to form hinged links of a wristlet | Roger Ecoffet, Sylvain Wenger | 1998-09-01 |
| 5663934 | Watertight push button device, particularly for controlling a timepiece | Sylvain Wenger | 1997-09-02 |
| 5373484 | Watch case with separable back cover | Jean-Louis Rappo, Bernard Gigandet, Rodolphe Cattin | 1994-12-13 |