DH

Donald C. Harban

PP Phillips Petroleum: 1 patents #819 of 1,401Top 60%
📍 Salt Lake City, UT: #2,698 of 4,590 inventorsTop 60%
🗺 Utah: #11,293 of 19,430 inventorsTop 60%
Overall (All Time): #4,028,279 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4426880 Method and apparatus for fluid sampling and testing John P. Walters, Radomir Petrovich, Gregory C. Daley 1984-01-24