RD

R. Mark Durham

📍 Lubbock, TX: #245 of 772 inventorsTop 35%
🗺 Texas: #52,441 of 125,132 inventorsTop 45%
Overall (All Time): #2,041,323 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9222477 Method and system of submersible pump and motor performance testing M. Bryan Sherrod, Ronald K. Hensley, Gary D. Grant 2015-12-29
8776617 Method and system of submersible pump and motor performance testing Gary D. Grant, Ronald K. Hensley, M. Bryan Sherrod 2014-07-15