JD

John M. Derrick

📍 Giddings, TX: #4 of 10 inventorsTop 40%
🗺 Texas: #73,555 of 125,132 inventorsTop 60%
Overall (All Time): #3,966,717 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4637468 Method and apparatus for multizone oil and gas production — 1987-01-20