Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4445785 | Electronic time setting for a quartz analog watch | Jean P. Chambon, Jean-Francois Dufay, Georges J. Perrin, Louis Vernay | 1984-05-01 |
| 4375049 | Stepping motor drive circuit for bi-directional rotation | — | 1983-02-22 |
| 4357693 | Electronic hour timesetting device for electronic analog timepiece | Michel Plancon, Jean P. Migeon | 1982-11-02 |