RL

Ray Livingstone

CS Canadian Downhole Drill Systems: 1 patents #5 of 13Top 40%
📍 Edmonton, CA: #1,480 of 2,912 inventorsTop 55%
Overall (All Time): #3,872,267 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5000723 Universal joint for downhole motors — 1991-03-19