RB

Roger D. Bleier

MF M-I Drilling Fluids: 1 patents #4 of 9Top 45%
Overall (All Time): #3,817,979 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5189012 Oil based synthetic hydrocarbon drilling fluid Arvind D. Patel, Raymond E. McGlothlin, H. N. Brinkley 1993-02-23