JU

James M. Upchurch

Schlumberger Technology: 2 patents #8 of 104Top 8%
📍 Sugar Land, TX: #3 of 45 inventorsTop 7%
🗺 Texas: #331 of 4,134 inventorsTop 9%
Overall (1989): #24,578 of 140,708Top 20%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4856595 Well tool control system and method — 1989-08-15
4796699 Well tool control system and method — 1989-01-10