Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4821963 | Steelworks cutting nozzle with a double heating ring | Michel Arnout, Patrick Fonteneau | 1989-04-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4821963 | Steelworks cutting nozzle with a double heating ring | Michel Arnout, Patrick Fonteneau | 1989-04-18 |