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Joachim Siher

Schlumberger Technology: 1 patents #3,893 of 7,293Top 55%
Overall (All Time): #3,255,720 of 4,157,543Top 80%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7975780 Adjustable downhole motors and methods for use Guy James Rushton 2011-07-12