Robert Rankin

📍 Wayne, OK: #2 of 10 inventorsTop 20%

🗺 Oklahoma: #4,502 of 12,736 inventorsTop 40%

Overall (All Time): #2,057,637 of 4,157,543Top 50%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
8827009	Drilling pressure intensifying device	—	2014-09-09
7243739	Coiled tubing directional drilling apparatus	—	2007-07-17