Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5906119 | Process and device for melting glass | — | 1999-05-25 |
| 4981504 | Process and device for melting glass | Robert Delage, Marcel Cadier | 1991-01-01 |
| 4892573 | Process and device for melting glass | Robert Delage, Marcel Cadier | 1990-01-09 |