JD

James P. Degraffenried

PP Phillips Petroleum: 1 patents #45 of 130Top 35%
📍 Bartlesville, OK: #34 of 100 inventorsTop 35%
🗺 Oklahoma: #159 of 726 inventorsTop 25%
Overall (2002): #199,230 of 266,432Top 75%
1
Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6464858 Method for improving the yield of heavy hydrocarbons in a thermal cracking process Ronald E. Brown, Larry E. Reed, Timothy P. Murtha, Gil J. Greenwood, Timothy P. Harper +1 more 2002-10-15