RH

Robert N. Hickman

UN Unknown: 1 patents #29,356 of 83,584Top 40%
📍 Las Condes, CL: #5 of 23 inventorsTop 25%
Overall (All Time): #3,814,685 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5176802 Treatment of copper sulfide concentrates Willem P. C. Duyvesteyn 1993-01-05