CC

Clayton L. Calkin

Shell Oil Compny: 1 patents #2,223 of 4,423Top 55%
📍 Houston, TX: #12,319 of 21,073 inventorsTop 60%
🗺 Texas: #73,555 of 125,132 inventorsTop 60%
Overall (All Time): #3,963,152 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4785661 Method for analyzing solvent extracted sponge core William E. Ellington 1988-11-22