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Mark W. Burrell

CI Camco International: 1 patents #60 of 166Top 40%
Overall (All Time): #3,751,969 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5553678 Modulated bias units for steerable rotary drilling systems John D. Barr, Robert A. Russell, Richard E. Thorp, David Boast, John Martin Clegg 1996-09-10