RC

Robert D. Cotherman

SP Shell Western E & P: 2 patents #1 of 35Top 3%
Overall (All Time): #2,321,778 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4913630 Method and apparatus for high-efficiency gas separation upstream of a submersible pump Keith F. Way 1990-04-03
4901413 Method and apparatus for establishing multi-stage gas separation upstream of a submersible pump Keith F. Way 1990-02-20