Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5344479 | Upgrading copper sulphide residues containing nickel and arsenic | Derek G. E. Kerfoot | 1994-09-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5344479 | Upgrading copper sulphide residues containing nickel and arsenic | Derek G. E. Kerfoot | 1994-09-06 |