Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10261471 | Timepiece transmission device | Jean-Louis Bertrand, Pascal Billet, Félix Grasser | 2019-04-16 |
| 10222758 | Device for counting and displaying a time unit fraction | — | 2019-03-05 |