Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7575622 | Heap leach process | Alan Norton | 2009-08-18 |
| 6733567 | Recovery of nickel from nickel bearing sulphide minerals by bioleaching | David Dew, Petrus Basson, Alan Norton | 2004-05-11 |