DC

Daniel Coombs

PP Phillips Petroleum: 1 patents #54 of 170Top 35%
📍 Chicago, IL: #82 of 382 inventorsTop 25%
🗺 Illinois: #802 of 3,813 inventorsTop 25%
Overall (1989): #123,605 of 140,708Top 90%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4885080 Process for demetallizing and desulfurizing heavy crude oil Ronald E. Brown, Robert J. Hogan, Simon G. Kukes 1989-12-05