WM

William Marshall

Schlumberger Technology: 2 patents #2,609 of 7,293Top 40%
Overall (All Time): #2,035,296 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
9121402 Pump body Rod Shampine, Edward Leugemors, Hubertus V. Thomeer 2015-09-01
8794307 Wellsite surface equipment systems Laurent Coquilleau, Edward Leugemors, Rod Shampine, Philippe Gambier, Hubertus V. Thomeer 2014-08-05