RR

Ronald D. Rogers

EX ExxonMobil: 1 patents #5,661 of 10,161Top 60%
Overall (All Time): #4,078,867 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4360064 Circulating valve for wells John A. O'Connor, Warren E. Holland, James D. Burley, Fred E. Watkins, Ben D. Terral 1982-11-23