AC

Alton E. Cheek

📍 Long Beach, CA: #452 of 2,153 inventorsTop 25%
🗺 California: #124,610 of 386,348 inventorsTop 35%
Overall (All Time): #1,307,096 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
4612987 Directional drilling azimuth control system — 1986-09-23
4515403 Overshot — 1985-05-07
4372622 Recirculating bearing antifriction system for well strings — 1983-02-08
4196781 Telescoping joint — 1980-04-08