LandOfFree - US Patents - Listing for Wells,Valves, closures or changeable restrictors

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Hadley Daniel A.

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Hales John H.

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Halliburton Energy Services,Inc.

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Halvorsen Vidar Sten

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Hammett Robert C.

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Hardy Raymond

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Hare John P.

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Hart Lawrence

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Hawera Probst GmbH & Co.

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Hayes Kirby

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Haynes Andrew

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Heard Thomas J.

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Helms Lonnie C.

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Helmus Sydney S.

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Henschel Robert C.

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Hernandez Alfred

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Hernandez Alfred Lara

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Herod E. E.

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Hilsman, III Y. Gilbert

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Hilts Robert L.

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