RC

Richard T. Chow

CO Cominco: 1 patents #39 of 133Top 30%
📍 Trail, CA: #14 of 37 inventorsTop 40%
Overall (All Time): #4,074,674 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4345980 Electrowinning of zinc Clifford J. Krauss, Douwe Ybema 1982-08-24