BG

Bille S. Grayson

PP Phillips Petroleum: 1 patents #819 of 1,401Top 60%
Overall (All Time): #3,878,829 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5024750 Process for converting heavy hydrocarbon oil Edward L. Sughrue, II, Patricia A. Tooley, Brent J. Bertus 1991-06-18