DG

David Grant

WE Weatherford/Lamb: 1 patents #48 of 150Top 35%
📍 Ellon, PA: #1 of 1 inventorsTop 100%
Overall (2011): #105,585 of 364,097Top 30%
2
Patents 2011

Issued Patents 2011

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
8075813 Tubing expansion David Stephenson, Grant Adams, Neil Andrew Abercrombie Simpson 2011-12-13
8054347 Image sensor systems having improved noise performance Andrew Kinsey, Ed Duncan 2011-11-08