Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7077562 | Watch hairspring and method for making same | Claude Bourgeois, Andre Perret | 2006-07-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7077562 | Watch hairspring and method for making same | Claude Bourgeois, Andre Perret | 2006-07-18 |