RC

Roy W. Case

SI Scientific Drilling International: 1 patents #39 of 71Top 55%
📍 Atascadero, CA: #87 of 161 inventorsTop 55%
🗺 California: #247,236 of 386,348 inventorsTop 65%
Overall (All Time): #3,681,362 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5740127 Pulse production and control in drill strings Donald H. Van Steenwyk 1998-04-14