DR

Douglas Ridgway

SI Scientific Drilling International: 2 patents #4 of 20Top 20%
📍 Edmonton, CA: #27 of 275 inventorsTop 10%
Overall (2019): #176,915 of 560,194Top 35%
2
Patents 2019

Issued Patents 2019

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10494916 Sub-surface electromagnetic telemetry systems and methods Matthew A. White, Brian D. Gleason, Stephen Morrow, Peter Smidth, Larry J. Schoennauer 2019-12-03
10422198 Magnetic ranging from behind a magnetic shield Clinton Moss 2019-09-24