Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10563287 | Leaching copper-containing ores | Ralph Peter Hackl, Paul Leslie Brown, Daniel Arthur Kittelty | 2020-02-18 |
| 10526685 | Heap leaching | Paul Leslie Brown, Ralph Peter Hackl | 2020-01-07 |