Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4413815 | Device for blowing swirling gas into a metal refinery converter | Roger Duhomez | 1983-11-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4413815 | Device for blowing swirling gas into a metal refinery converter | Roger Duhomez | 1983-11-08 |