WH

William Herben

VI Varco I/P: 1 patents #91 of 168Top 55%
Overall (All Time): #3,316,495 of 4,157,543Top 80%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7484574 Drill cuttings conveyance systems and methods George Alexander Burnett, Colin Crabb, David Wood, Kenneth W. Seyffert, James Michael McIntosh 2009-02-03