HO

Harry Richard Stanley O'Brien

NL National Oilwell Varco Uk Limited: 1 patents #4 of 5Top 80%
📍 Elrick, GB: #1 of 2 inventorsTop 50%
Overall (2017): #407,561 of 506,227Top 85%
1
Patents 2017

Issued Patents 2017

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9803432 Roller device Carl Wood 2017-10-31