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WL Westerngeco L.L.C.: 1 patents #231 of 486Top 50%
📍 Svanesund, SE: #6 of 12 inventorsTop 50%
Overall (All Time): #3,346,364 of 4,157,543Top 85%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7321527 Method and apparatus for controlling the acoustic output of an airgun Jon-Fredrik Hopperstad, Johan-Fredrik Synnevaag 2008-01-22