IL

Irving O. Logan

NV National Oilwell Varco: 1 patents #240 of 551Top 45%
📍 Houston, TX: #12,319 of 21,073 inventorsTop 60%
🗺 Texas: #73,555 of 125,132 inventorsTop 60%
Overall (All Time): #3,199,734 of 4,157,543Top 80%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
8136384 Hardband wear testing system and method Daniel Lyle Hannahs, Alfred Calles, Jr. 2012-03-20