JM

John Manwell

SS Schlumberger Industires, S.A.: 1 patents #93 of 272Top 35%
📍 Liverpool, GB: #195 of 417 inventorsTop 50%
Overall (All Time): #3,893,581 of 4,157,543Top 95%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4891990 Vortex flowmeter transducer Mohamed Khalifa 1990-01-09