Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4776570 | Ladle stream breaker | Michel Rigaud | 1988-10-11 |
| 4770395 | Tundish | Michel Rigaud | 1988-09-13 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4776570 | Ladle stream breaker | Michel Rigaud | 1988-10-11 |
| 4770395 | Tundish | Michel Rigaud | 1988-09-13 |