DB

Daniel E. Barchers

AM Amax: 1 patents #59 of 180Top 35%
📍 Arvada, CO: #641 of 1,140 inventorsTop 60%
🗺 Colorado: #24,093 of 40,980 inventorsTop 60%
Overall (All Time): #4,016,769 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4523948 Roasting of molybdenite concentrates containing flotation oils Larry F. McHugh 1985-06-18