DW

Douglas Dale Warkentin

📍 Vancouver, CA: #86 of 750 inventorsTop 15%
Overall (2019): #176,753 of 560,194Top 35%
2
Patents 2019

Issued Patents 2019

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10308523 Processing of cobaltous sulphate/dithionate liquors derived from cobalt resource Norman Chow, Joey Jung, Anca-Mihaela Nacu 2019-06-04
10246343 Processing of cobaltous sulpha/dithionate liquors derived from cobalt resource Norman Chow, Joey Jung, Anca-Mihaela Nacu 2019-04-02