DH

D. O. Hitzman

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): #3,872,350 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5001066 Method for carrying out sparged reaction — 1991-03-19