Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4763972 | Differential absorption polarizer, a method of forming same and device implementing said method | Michel Papuchon, Sylvie Vatoux, Michel Werner | 1988-08-16 |
| 4762416 | Monomode optical fiber reciprocal ring interferometer device | Herve Lefevre | 1988-08-09 |