RH

Ronald Hall

EL Exploration Logging: 1 patents #2 of 5Top 40%
📍 Sacramento, CA: #5 of 39 inventorsTop 15%
🗺 California: #1,105 of 6,198 inventorsTop 20%
Overall (1982): #34,776 of 81,411Top 45%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4338565 Method and apparatus for measuring the movement of a spiral wound wire rope 1982-07-06