Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4571516 | Electromagnetic motor | — | 1986-02-18 |
| 4504703 | Electro-acoustic transducer | Jean-Frederic Fluckiger, Anne Curchod | 1985-03-12 |
| 4477194 | Device for controlling the functions of an electronic watch | Jean-Georges Michel, Hubert Portmann | 1984-10-16 |
| 4271498 | Watch | Roberto Zafferri, Rene Besson | 1981-06-02 |
| 4253174 | Electronic timepiece | — | 1981-02-24 |
| 4237548 | Electronic timepiece | Jean Fellrath, Jean-Felix Perotto, Maurice Grimm | 1980-12-02 |
| 4203280 | Touch sensitive device for a timepiece | Jacques Ziegler, Remy Grandjean | 1980-05-20 |