Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5622673 | Gas purging means for wall-side installation in metallurgical melting vessels | Gunther Nemecz | 1997-04-22 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5622673 | Gas purging means for wall-side installation in metallurgical melting vessels | Gunther Nemecz | 1997-04-22 |