DF

Donn R. Friedman

Chevron: 1 patents #2,615 of 4,788Top 55%
Overall (All Time): #3,714,732 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5624548 Heavy naphtha hydroconversion process Hsu-Hui Hsing, Richard Gene Nelson, Ooriapadical C. Abraham 1997-04-29