Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7629032 | Method for building up plasma on an optical fiber preform, while reducing nitrogen oxides | Charles Truchot, Sabine Guina | 2009-12-08 |
| 6149884 | Method of treating gaseous waste from a unit for manufacturing an optical fiber preform, in order to recover germanium therefrom | Laurent Calvo, Gerard Lavanant | 2000-11-21 |
| 4337019 | Machine for manufacturing disks on a rod | Georges Comte, Jean-Michel Couturier | 1982-06-29 |