DS

Dennis C. Sprague

PP Phillips Petroleum: 1 patents #819 of 1,401Top 60%
📍 Bartlesville, OK: #786 of 1,143 inventorsTop 70%
🗺 Oklahoma: #6,781 of 12,736 inventorsTop 55%
Overall (All Time): #3,700,298 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5824880 Automated drop-weight impact testing Fred J. Burwell, Ronald D. Jones, Wayne A. Millard, Herbert R. Pinnick, Jr., George L. Dorsey 1998-10-20