HH

Hjalmar A. K. Hitland

📍 Val-d'Or, CA: #13 of 38 inventorsTop 35%
Overall (All Time): #4,058,368 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4406782 Cascade flotation process 1983-09-27