Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888266 | Process for producing information supports capable of being optically read by variations in absorption | Claude Puech | 1989-12-19 |
| 4659407 | Process for manufacturing optical disks by pressing | Sylvain Kretschmer, Pierre Oprandi, Georges Broussaud | 1987-04-21 |
| 4482803 | Optical sensor for focusing control | Bernard Fichot, Gilles Troude | 1984-11-13 |
| 4387068 | Method for the manufacture of flexible disks | Raymond Llabres, Robert Antoine, Charles Marchi | 1983-06-07 |
| 4313718 | Method for the manufacture of flexible disks and apparatus for performing this method | Raymond Llabres, Robert Antoine, Charles Marchi | 1982-02-02 |