EU

Eric Roberto Upchurch

PP Phillips Petroleum: 1 patents #45 of 130Top 35%
📍 Long Beach, CA: #38 of 132 inventorsTop 30%
🗺 California: #8,284 of 26,763 inventorsTop 35%
Overall (2002): #222,557 of 266,432Top 85%
1
Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6364015 Method of determining fracture closure pressures in hydraulicfracturing of subterranean formations — 2002-04-02