HM

Hector O. McDonald

UI US Dept of the Interior: 2 patents #49 of 508Top 10%
📍 Rolla, MO: #114 of 363 inventorsTop 35%
🗺 Missouri: #6,609 of 23,789 inventorsTop 30%
Overall (All Time): #1,676,720 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4703802 Cutting and recovery tool Leonard B. Bryan, Geoffrey O. Rouse 1987-11-03
4337227 Recovery of chromium from waste solutions Lawrence C. George 1982-06-29
4256557 Copper electrowinning and Cr.sup.+6 reduction in spent etchants using porous fixed bed coke electrodes David M. Soboroff 1981-03-17