Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5090979 | Method of manufacturing an optical fiber preform having doped cladding | Christian Le Sergent | 1992-02-25 |
| 4978377 | Method of assembling a fiber optic preform from discrete preformed elements | Claude Brehm, Philippe Dupont | 1990-12-18 |
| 4959837 | Doped optical fiber laser amplifier | Herve A. Fevrier, Jacques Auge, Jean-Francois Marcerou, Bernard Jacquier, Jean-Claude Gacon | 1990-09-25 |
| 4952225 | Method of making an internally-doped tube of transparent glass, in particular for manufacturing rare-earth-doped optical fibers | Christian Le Sergent, Gilles Barre | 1990-08-28 |