Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5180463 | Method for forming coated monocrystalline products | Jacques Le Moigne, Annette Thierry | 1993-01-19 |
| 4441788 | Optical wave guide with fluorine-doped core | Andre Ranson | 1984-04-10 |
| 4367013 | Preparation of semifinished product for manufacture of optical fibers | Andre Ranson | 1983-01-04 |
| 4221825 | Continuous production of synthetic silica doped with fluorine | Andre Ranson | 1980-09-09 |