Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4545649 | Electro-optical display device of point matrix type | Jean-Francois Guyenet | 1985-10-08 |
| 4488818 | Watch with an analog display device the dial of which is formed by a liquid crystal display cell | Eric Saurer, Yves Ruedin | 1984-12-18 |
| 4281903 | Electro-optic passive display cell | — | 1981-08-04 |
| 4277144 | Electro-optic passive display cell | Eric Saurer, Claude Laesser, Rene Viennet, Yves Ruedin | 1981-07-07 |
| 4232946 | Liquid crystal alignment layers | Bernard Le Fur | 1980-11-11 |
| 4207671 | Method of manufacture of a passive electro-optic display cell having an helicoidal nematic liquid crystal and passive electro-optic display cell obtained by carrying out this method | Yves Ruedin, Rene Viennet | 1980-06-17 |