Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5299077 | Disk player-recorder | Jean-Pierre Rousseau | 1994-03-29 |
| 4588369 | Apparatus for removal of a data carrier disk after molding | Francois Lange | 1986-05-13 |
| 4551733 | Protected optical disc comprising a flexible closure element | Jean Cornet, Francois Lange, Francois Le Carvennec, Jean-Claude Lehureau | 1985-11-05 |
| 4500486 | Method for removal of a data carrier disk after molding | Francois Lange | 1985-02-19 |
| 4452748 | Process for obtaining a copy disk from an original recording carried by a matrix | Francois Lange | 1984-06-05 |