Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10308523 | Processing of cobaltous sulphate/dithionate liquors derived from cobalt resource | Norman Chow, Joey Jung, Douglas Dale Warkentin | 2019-06-04 |
| 10246343 | Processing of cobaltous sulpha/dithionate liquors derived from cobalt resource | Norman Chow, Joey Jung, Douglas Dale Warkentin | 2019-04-02 |
| 8460631 | Processing of manganous sulphate/dithionate liquors derived from manganese resource material | Norman Chow, Douglas Dale Warkentin, John Fisher | 2013-06-11 |