DH

Don M. Hannegan

WE Weatherford/Lamb: 2 patents #21 of 150Top 15%
📍 Barling, AR: #2 of 14 inventorsTop 15%
🗺 Arkansas: #31 of 296 inventorsTop 15%
Overall (2011): #103,284 of 364,097Top 30%
2
Patents 2011

Issued Patents 2011

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7997345 Universal marine diverter converter 2011-08-16
7926593 Rotating control device docking station Thomas F. Bailey, James W. Chambers, Danny W. Wagoner 2011-04-19