Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5804317 | Process for reinforcing glass objects | — | 1998-09-08 |
| 5773148 | Chemically toughened pane | Francoise Rifqi, Renee Crepet, Claude Guillemet | 1998-06-30 |
| 5484657 | Glazing pane and method for its production | Franz Kramling, Frederic Weber, Bernard Letemps, Claude Didelot | 1996-01-16 |
| 5397647 | Glazing pane and method for its production | Franz Kramling, Frederic Weber, Bernard Letemps, Claude Didelot | 1995-03-14 |