JD

John A. Duke

WE Weatherford/Lamb: 1 patents #476 of 852Top 60%
📍 Stockbridge, GA: #19 of 126 inventorsTop 20%
🗺 Georgia: #10,365 of 35,610 inventorsTop 30%
Overall (All Time): #1,639,558 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5769166 Wellbore window milling method — 1998-06-23
4384624 Earth boring head John W. Duke 1983-05-24
4306626 Hydraulic earth boring machine John W. Duke 1981-12-22