JZ

John C. Zimmerman

HA Halliburton: 1 patents #85 of 234Top 40%
📍 Duncan, OK: #37 of 114 inventorsTop 35%
🗺 Oklahoma: #177 of 727 inventorsTop 25%
Overall (1994): #110,601 of 165,921Top 70%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5355959 Differential pressure operated circulating and deflation valve Jeffrey S. Walter, James C. Tucker 1994-10-18