Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4763972 | Differential absorption polarizer, a method of forming same and device implementing said method | Michel Papuchon, Alain Enard, Sylvie Vatoux | 1988-08-16 |
| 4252402 | Device for connecting a peripheral unit to an optical bus-line | Claude Puech, Michel Papuchon, Brigitte Puech | 1981-02-24 |
| 4236785 | Non linear thin layer optical device | Michel Papuchon, Brigitte Puech | 1980-12-02 |