DS

David Stephenson

WE Weatherford/Lamb: 1 patents #48 of 150Top 35%
📍 Kempston, CA: #1 of 1 inventorsTop 100%
Overall (2011): #319,209 of 364,097Top 90%
1
Patents 2011

Issued Patents 2011

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
8075813 Tubing expansion Grant Adams, David Grant, Neil Andrew Abercrombie Simpson 2011-12-13