Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6719455 | Method for fixing a crown screwed on a watch case and watch case equipped with same | — | 2004-04-13 |
| 5801351 | Method for welding hinge pins onto elements intended to form hinged links of a wristlet | Joseph Eray, Sylvain Wenger | 1998-09-01 |
| 5519674 | Packing | Alfred Vollert | 1996-05-21 |
| 5340009 | Packing | Alfred Vollert | 1994-08-23 |