EA

Ernest E. Armstrong

📍 Midland, TX: #232 of 491 inventorsTop 50%
🗺 Texas: #73,555 of 125,132 inventorsTop 60%
Overall (All Time): #4,070,918 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4333530 Method and apparatus for cementing a casing — 1982-06-08