Leon Ellison

NV National Oilwell Varco: 1 patents #15 of 97Top 20%

📍 Huffman, TX: #3 of 7 inventorsTop 45%

🗺 Texas: #5,225 of 15,389 inventorsTop 35%

Overall (2017): #335,838 of 506,227Top 70%

Patents 2017

Issued Patents 2017

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
9784041	Drilling rig riser identification apparatus	Nathan Kinert, Rheinhold Kammann, Manfred Worms, Clive Lam, Guy L. McClung, III	2017-10-10