DC

David L. Chambers

OE Otis Engineering: 2 patents #82 of 228Top 40%
Overall (All Time): #2,340,089 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4685522 Well production controller system Glenn A. Dixon, Clark E. McCloskey, Woodrow D. Hawk, Oliver W. McCracken 1987-08-11
4633954 Well production controller system Glen A. Dixon, Clark E. McCloskey, Woodrow D. Hawk, Oliver W. McCracken 1987-01-06