Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6678218 | Timepiece including a generator | Frederic Leuba, Denis Burdet | 2004-01-13 |
| 6534742 | Method for adjusting the oscillation frequency of a sprung balance for a mechanical timepiece | — | 2003-03-18 |