Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10018964 | Compact balance spring of variable section | Jean-Luc Helfer | 2018-07-10 |
| 10012954 | Reduced dimension balance spring of constant double section | Jean-Luc Helfer | 2018-07-03 |