Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7023762 | Date display assembly for an analog timepiece | Wolfgang Burkhardt | 2006-04-04 |
| 4470707 | Electronic setting for analog timepiece | Jean P. Chambon, Jean P. Migeon, Georges J. Perrin, Michel Plancon | 1984-09-11 |