RG

Robert Grainger

📍 Regina, CA: #73 of 252 inventorsTop 30%
Overall (All Time): #1,977,262 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9605510 Non-rotating connector for wellbore cementing tool 2017-03-28
9441450 Wellbore cementing tool 2016-09-13