DR

Donnell R. Robie

Chevron: 1 patents #54 of 178Top 35%
📍 Rangely, CO: #1 of 4 inventorsTop 25%
🗺 Colorado: #422 of 1,967 inventorsTop 25%
Overall (1997): #157,676 of 185,788Top 85%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5634520 Enhanced oil recovery process including the simultaneous injection of a miscible gas and water Chris Stevens, Steven D. McPherson, John R. Larson, Ronald K. Wackowski 1997-06-03