DH

Don Darrell Hickman

📍 Williston, ND: #2 of 3 inventorsTop 70%
🗺 North Dakota: #66 of 195 inventorsTop 35%
Overall (2017): #437,690 of 506,227Top 90%
1
Patents 2017

Issued Patents 2017

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9766364 Method and apparatus for controlling oil well drill site systems — 2017-09-19