JH

John Hallworth

Schlumberger Technology: 1 patents #248 of 837Top 30%
📍 Bristol, GB: #55 of 214 inventorsTop 30%
Overall (2011): #261,946 of 364,097Top 75%
1
Patents 2011

Issued Patents 2011

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7980328 Rotary steerable devices and methods of use Steve Hart, Kjell Haugvaldstad, Laurent Allias, Bertrand Lacour, Riadh Boualleg 2011-07-19