RH

Ronald A. Hamm

SL Shell Canada Limited: 1 patents #3 of 9Top 35%
Overall (All Time): #3,799,029 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5318124 Recovering hydrocarbons from tar sand or heavy oil reservoirs Tee S. Ong 1994-06-07