Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12140907 | Spiral spring for timepiece resonator mechanism provided with means for setting the effective length of the spiral spring | Romain LE MOAL, Pierre Cusin | 2024-11-12 |
| 10474104 | Resonator with fine adjustment via an index-assembly | Jean-Luc Helfer, Marc Stranczl, Xavier BERDAT | 2019-11-12 |
| 9268307 | Polygonal balance spring for a resonator for a timepiece | Thierry Conus, Jean-Luc Helfer | 2016-02-23 |