Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6681964 | Grooved refractory pouring tube for metallurgical casting, assembly of refractory components, casting installation and process for repairing the surface of a refractory component | Jean-Luc Renard | 2004-01-27 |
| 6672490 | Grooved refractory tube for metallurgical casting, assembly of refractory components and casting installation incorporating such an assembly | Jean-Luc Renard | 2004-01-06 |