RL

Raymond D. Livingstone

CS Canadian Downhole Drill Systems: 1 patents #2 of 4Top 50%
📍 Edmonton, CA: #18 of 104 inventorsTop 20%
Overall (1997): #90,996 of 185,788Top 50%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5664891 Downhole bearing assembly which accommodates compressive and tensile axial David Kutinsky, Raymond Samuel Livingstone 1997-09-09