Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4534660 | Portable device including a visible mechanism | — | 1985-08-13 |
| 4423928 | Liquid crystal display device | — | 1984-01-03 |
| 4371821 | Electromagnetic motor rotatable in either direction | Roberto Zafferri, Jean Depery | 1983-02-01 |
| 4367049 | Driving device especially for a timepiece | Gerard Piller, Jean Depery | 1983-01-04 |
| 4361790 | Electromagnetic motor rotatable in either direction | Roberto Zafferri, Jean Depery | 1982-11-30 |
| 4277144 | Electro-optic passive display cell | Eric Saurer, Fereydoun Gharadjedaghi, Rene Viennet, Yves Ruedin | 1981-07-07 |
| 4257113 | Electromechanical calendar timepiece | Rene Meister | 1981-03-17 |
| 4244039 | Electro-mechanical watch | — | 1981-01-06 |
| 4183628 | Electronic watch and display device for such watch | Rene Viennet, Eric Saurer | 1980-01-15 |