Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6833020 | Recovery of copper from copper bearing sulphide minerals by bioleaching with controlled oxygen feed | David Dew, Deborah Maxine Miller | 2004-12-21 |
| 6733567 | Recovery of nickel from nickel bearing sulphide minerals by bioleaching | David Dew, Alan Norton, Frank K. Crundwell | 2004-05-11 |