Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5058973 | Device for reading by optical sensor coherence | Philippe Refregier, Marc Turpin | 1991-10-22 |
| 4926040 | Shift sensor with optic fiber | Marc Turpin, Michele Brevignon | 1990-05-15 |
| 4882716 | Optic fiber hydrophone and antenna associating a series of hydrophones | Herve Lefevre, Marc Turpin | 1989-11-21 |