Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5529672 | Mineral recovery apparatus | Neal Barr, Patrick Anthony Treasure | 1996-06-25 |
| 4225571 | Electrowinning of metal from sulphide ores and recovery of water soluble sulphides | — | 1980-09-30 |