RK

Rheinhold Kammann

NV National Oilwell Varco: 1 patents #15 of 97Top 20%
📍 Celle, DE: #15 of 32 inventorsTop 50%
Overall (2017): #269,765 of 506,227Top 55%
1
Patents 2017

Issued Patents 2017

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9784041 Drilling rig riser identification apparatus Nathan Kinert, Leon Ellison, Manfred Worms, Clive Lam, Guy L. McClung, III 2017-10-10