JH

John G. Harkness

Schlumberger Technology: 1 patents #3,893 of 7,293Top 55%
Overall (All Time): #3,510,869 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6561277 Flow control in multilateral wells John Algeroy 2003-05-13