IJ

Irvin D. Johnson

MO Marathon Oil: 1 patents #2 of 17Top 15%
📍 Englewood, CO: #8 of 35 inventorsTop 25%
🗺 Colorado: #215 of 1,224 inventorsTop 20%
Overall (1989): #102,264 of 140,708Top 75%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4809778 Oil well tool for in situ release of wellbore treatment fluid 1989-03-07