Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7488370 | Reducing cyanide consumption in gold recovery from finely ground sulphide ores and concentrates | Michael Matthew Hourn, John A. Willis, David Winborne | 2009-02-10 |
| 6833021 | Method for treating precious metal bearing minerals | Michael Matthew Hourn, John A. Willis, David Winborne | 2004-12-21 |