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Friedhold Brost

CT Canrig Drilling Technology: 1 patents #4 of 10Top 40%
Overall (2011): #304,096 of 364,097Top 85%
1
Patents 2011

Issued Patents 2011

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
8042432 Oilfield tubular torque wrench Douglas A. Hunter, Martin Thieme 2011-10-25