Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10258996 | Separation of copper minerals from pyrite using air-metabisulfite treatment | — | 2019-04-16 |
| 9346062 | Separation of copper minerals from pyrite using air-metabisulfite treatment | — | 2016-05-24 |
| 8262768 | Method to improve recovery of gold from double refractory gold ores | Peter Kondos | 2012-09-11 |
| 7922788 | Process for recovering gold and silver from refractory ores | Daniel Hillier, Jacques McMullen | 2011-04-12 |