Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5055833 | Method for the control of an electro-optical matrix screen and control circuit | by Philippe Hehlen, legal representative, by Bernard Hehlen, legal representative, Maurice Le Galguen, Bruno Mourey | 1991-10-08 |
| 4673256 | Process for controlling a matrix access display device | Michel Hareng, Serge Le Berre, Bruno Mourey | 1987-06-16 |
| 4621261 | System for making a thermo-active device temperature dependent | Philippe Marcenac | 1986-11-04 |
| 4525708 | Thermoelectric effect display device | Michel Hareng, Philippe Marcenac, Serge Le Berre, Pierre Leclerc, Jean-Noel Perbet | 1985-06-25 |
| 4481510 | Electrooptical switching device | Michel Hareng, Serge LeBerre, Pierre Leclerc | 1984-11-06 |
| 4427997 | Control device for a display screen and display screen controlled by this device | Michel Hareng, Serge Le Berre, Pierre Leclerc, Philippe Marcenac, Jean-Noel Perbet | 1984-01-24 |