JW

James Wenner

Schlumberger Technology: 1 patents #3,893 of 7,293Top 55%
Overall (All Time): #3,566,493 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6494256 Apparatus and method for zonal isolation Timothy Achee, Joseph E. Hayes, Kerby J. Dufrene 2002-12-17