John A. Knox

HA Halliburton: 1 patents #85 of 234Top 40%

📍 Duncan, OK: #37 of 114 inventorsTop 35%

🗺 Oklahoma: #177 of 727 inventorsTop 25%

Overall (1994): #113,470 of 165,921Top 70%

Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
5295542	Well gravel packing methods	R. Clay Cole	1994-03-22