Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4822413 | Extraction of metal values from ores or concentrates | Martin T. Errington | 1989-04-18 |
| 4497778 | Microbial leaching of sulphide-containing ores | — | 1985-02-05 |
| 4488950 | Heavy metal separation from copper-bearing wastes | Huw O. Jones, Barry I. Wheatley | 1984-12-18 |