Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5094692 | Gas impermeable coating for a refractory article | — | 1992-03-10 |
| 5071043 | Stopper rod with an improved gas distribution | Pascal Dubois | 1991-12-10 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5094692 | Gas impermeable coating for a refractory article | — | 1992-03-10 |
| 5071043 | Stopper rod with an improved gas distribution | Pascal Dubois | 1991-12-10 |