CB

Charles Butterfield

SI Scientific Drilling International: 1 patents #9 of 11Top 85%
📍 Houston, TX: #777 of 2,508 inventorsTop 35%
🗺 Texas: #5,205 of 15,368 inventorsTop 35%
Overall (2018): #464,096 of 503,207Top 95%
1
Patents 2018

Issued Patents 2018

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10018004 Method and apparatus for casing entry William R. Abrant, Gerald Heisig 2018-07-10