Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6949232 | Producing cobalt (III) hexammine sulfate from nickel cobalt sulfides | Gavin Kerry Wyllie Freeman, Ockert Gerbrandt Pauw, James Budac | 2005-09-27 |
| 4571262 | Recovery of platinum group metals from nickel-copper-iron matte | Derek G. E. Kerfoot, Donald R. Weir | 1986-02-18 |