Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6919030 | Process for recovering cyanide from copper-containing feed material | Christopher Andrew Fleming | 2005-07-19 |
| 5807421 | Hydrometallurgical extraction process | Christopher Andrew Fleming, Walther G. Grot | 1998-09-15 |
| 5667557 | Hydrometallurgical extraction and recovery of copper, gold, and silver via cyanidation and electrowinning | Christopher Andrew Fleming, Walther G. Grot | 1997-09-16 |
| 5411575 | Hydrometallurgical extraction process | Christopher Andrew Fleming, Walther G. Grot | 1995-05-02 |