WF

Wilfred L. Freyberger

EX ExxonMobil: 1 patents #154 of 490Top 35%
📍 Houghton, MI: #3 of 6 inventorsTop 50%
🗺 Michigan: #416 of 1,972 inventorsTop 25%
Overall (1982): #24,098 of 81,411Top 30%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4319987 Branched alkyl ether amines as iron ore flotation aids Donald Shaw, Quentin T. McGlothlin, Barry M. O'Brien, John W. Keck 1982-03-16