Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6810068 | Electric glass melting furnace, with pivoting wall elements | Hervé Cotonnec | 2004-10-26 |
| 5596598 | Electric melting device | Stephane Maugendre, Thierry Caillaud, Pierre Peigne, Francois Szalata | 1997-01-21 |