CR

Charles J. Rosvold

PP Phillips Petroleum: 1 patents #819 of 1,401Top 60%
📍 Tulsa, OK: #1,272 of 2,344 inventorsTop 55%
🗺 Oklahoma: #6,781 of 12,736 inventorsTop 55%
Overall (All Time): #3,980,802 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4689120 Apparatus for the recovery of oil from shale Joseph Kuchinski, Risdon W. Hankinson 1987-08-25