Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5881026 | Self-compensating balance spring for a mechanical oscillator of a balance-spring/balance assembly of a watch movement and process for manufacturing this balance-spring | Jacques Baur, Patrick Sol | 1999-03-09 |
| 5233574 | Wristwatch case including a back cover rising along the caseband | Leonhard Meister | 1993-08-03 |
| 5105510 | Telescopically extensible bracelet clasp | Philippe Roulin, Roland Streule | 1992-04-21 |
| 5021101 | Method of manufacture of a copper watch case | Eric Loth | 1991-06-04 |