MM

Michael E. McMahan

HS Halliburton Services: 2 patents #1 of 10Top 10%
📍 Duncan, OK: #5 of 41 inventorsTop 15%
🗺 Oklahoma: #42 of 552 inventorsTop 8%
Overall (1982): #9,922 of 81,411Top 15%
2
Patents 1982

Issued Patents 1982

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4319633 Drill pipe tester and safety valve Gerald D. Jackson, Burchus Q. Barrington 1982-03-16
4319634 Drill pipe tester valve Burchus Q. Barrington 1982-03-16