Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4981504 | Process and device for melting glass | Marcel Cadier, Jacques Boillet | 1991-01-01 |
| 4892573 | Process and device for melting glass | Marcel Cadier, Jacques Boillet | 1990-01-09 |