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Pieter Etienne Dreyer

Overall (2011): #192,797 of 364,097Top 55%
1 Patents 2011

Issued Patents 2011

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
D644948 Borehole condition monitors Robert James Holdcroft, Neville Robert Marillier, Laurence J. Wilson, III 2011-09-13