Issued Patents All Time
Showing 25 most recent of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE33321 | Process for the production of a substrate for an electrically controlled device and display screen produced from such a substrate | Jose Magarino, Nicholas Szydlo, Pierre Landouar | 1990-09-04 |
| 4944575 | Electrooptical display screen and a method of fabrication of said screen | Pierre Aigrain, Bruno Mourey, Jean-Claude Dubois, Philippe Robin | 1990-07-31 |
| 4824216 | Device for the modulation of the illuminating light of an electro-optic display screen | Jean-Noel Perbet, Bruno Mourey | 1989-04-25 |
| 4818052 | Device for optical switching by fluid displacement and a device for the composition of a line of points | Jean-Pierre Le Pesant, Jean-Pierre Huignard, Jean-Pierre Herriau, Bruno Mourey, Jean-Noel Perbet | 1989-04-04 |
| 4789228 | Electrically controlled optical switching device | Jean-Pierre Le Pesant, Bruno Mourey | 1988-12-06 |
| 4701021 | Optical modulator | Jean-Pierre Le Pesant, Bruno Mourey, Jean-Noel Perbet | 1987-10-20 |
| 4673256 | Process for controlling a matrix access display device | Robert Hehlen, Serge Le Berre, Bruno Mourey | 1987-06-16 |
| 4668051 | Memory ferroelectric display addressed with AC and DC voltages | Bruno Mourey, Jean-Pierre Le Pesant, Jean-Noel Perbet | 1987-05-26 |
| 4643527 | Process for the production of a substrate for an electrically controlled device and display screen produced from such a substrate | Jose Magarino, Nicolas Szydlo, Pierre Landouar | 1987-02-17 |
| 4598978 | Screen of a display device using a mixed thermal and electrical effect | Bruno Mourey, Lydie Thirant | 1986-07-08 |
| 4593978 | Smectic liquid crystal color display screen | Bruno Mourey | 1986-06-10 |
| 4569575 | Electrodes for a device operating by electrically controlled fluid displacement | Jean-Pierre Le Pesant, Bruno Mourey, Jean-Noel Perbet | 1986-02-11 |
| 4535327 | Electrically controlled display using a thick layer, non-linear element and its production process | Jean-Noel Perbet, Michel Graciet | 1985-08-13 |
| 4525709 | Electrically controlled display device | Jean-Noel Perbet, Michel DeFrance | 1985-06-25 |
| 4525708 | Thermoelectric effect display device | Robert Hehlen, Philippe Marcenac, Serge Le Berre, Pierre Leclerc, Jean-Noel Perbet | 1985-06-25 |
| 4500878 | Thermoelectrically controlled electrochromatic visualization device | Paul C. Moutou | 1985-02-19 |
| 4499458 | Liquid crystal display device associating two addressing modes | Serge Le Berre | 1985-02-12 |
| 4483592 | Liquid crystal optical valve controlled by photoconducting effect | Philippe Aubourg, Jean-Pierre Huignard | 1984-11-20 |
| 4481510 | Electrooptical switching device | Robert Hehlen, Serge LeBerre, Pierre Leclerc | 1984-11-06 |
| 4464020 | Smectic liquid crystal display device without a nematic phase | Serge Le Berre, Annie Beguin, Lydie Thirant | 1984-08-07 |
| 4430650 | Display process using a thermo-optical effect with a memory in a thin disc-like liquid crystal layer and disc-like liquid crystals having such an effect | Jean Billard, Jean-Claude Dubois, Serge Le Berre, Jean-Noel Perbet | 1984-02-07 |
| 4427997 | Control device for a display screen and display screen controlled by this device | Robert Hehlen, Serge Le Berre, Pierre Leclerc, Philippe Marcenac, Jean-Noel Perbet | 1984-01-24 |
| 4413885 | Electro-optical display device | Jean-Pierre Huignard, Serge Le Berre | 1983-11-08 |
| 4390244 | Liquid crystal visual display unit and telephone terminal incorporating such a unit | Serge Le Berre, Pierre Leclerc, Jean-Noel Perbet | 1983-06-28 |
| 4385807 | Visual display device with memory and telephone exchange incorporating such a device | Jean-Noel Perbet, Serge Le Berre | 1983-05-31 |