Issued Patents 2018
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10138529 | Method for fabrication of a timepiece balance spring | Christian Charbon | 2018-11-27 |
| 10053789 | Method of obtaining a 18 caracts 3N gold alloy | Thomas Foelicher, Christophe Henzirohs | 2018-08-21 |
| 10048649 | Timepiece spring made of austenitic stainless steel | Christian Charbon | 2018-08-14 |