Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4957542 | Process for treating liquid steels by injecting gas through the ladle bottom | Philippe Barthelemy | 1990-09-18 |
| 4372494 | Spray nozzle | Etienne Minot | 1983-02-08 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4957542 | Process for treating liquid steels by injecting gas through the ladle bottom | Philippe Barthelemy | 1990-09-18 |
| 4372494 | Spray nozzle | Etienne Minot | 1983-02-08 |