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H. E. Dunham

PD Phelps Dodge: 1 patents #17 of 40Top 45%
Overall (All Time): #4,062,818 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4422624 Concentrate burner David Arana, Terrell D. Jackson, Brent E. McEuen, John Schneider 1983-12-27