RC

Ralph Cheung

Schlumberger Technology: 1 patents #3,893 of 7,293Top 55%
📍 Spring, TX: #1,281 of 2,039 inventorsTop 65%
🗺 Texas: #73,555 of 125,132 inventorsTop 60%
Overall (All Time): #3,505,572 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6534449 Removal of wellbore residues Alan Gilmour, Alexander Bui 2003-03-18