Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4470707 | Electronic setting for analog timepiece | Jean P. Chambon, Paul Grand-Chavin, Georges J. Perrin, Michel Plancon | 1984-09-11 |
| 4417819 | Watchband light attachment for a wristwatch | — | 1983-11-29 |
| 4357693 | Electronic hour timesetting device for electronic analog timepiece | Michel Plancon, Paul Grand Chavin | 1982-11-02 |
| 4340560 | Method for making a rotor assembly | — | 1982-07-20 |
| 4318017 | Rotor assembly for electric stepping motor | Claude Poix | 1982-03-02 |