HM

Hugo Roberto Marquez

SI Smith International: 1 patents #390 of 708Top 60%
Overall (All Time): #3,276,891 of 4,157,543Top 80%
1
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7650952 Passive vertical drilling motor stabilization Nigel Evans 2010-01-26