Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11073796 | Balance spring stud-holder with simplied assembly | Julien CHRISTAN | 2021-07-27 |
| 10222747 | Balance spring stud-holder with simplied assembly | Julien CHRISTAN | 2019-03-05 |
| 8337075 | Single push-piece chronograph | Werner Haenzi, Jean-Luc Helfer, Antonio Merino | 2012-12-25 |