Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6764973 | Grey glass compositions of the silica-soda-lime type | Dominique Sachot | 2004-07-20 |
| 6739152 | Process for melting and refining vitrifiable materials | Pierre Jeanvoine, Tanguy Massart | 2004-05-25 |