EA

Ernest E. Armstrong

📍 Midland, TX: #4 of 11 inventorsTop 40%
🗺 Texas: #432 of 2,272 inventorsTop 20%
Overall (1982): #66,835 of 81,411Top 85%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

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