LandOfFree - US Patents - Listing for Wells,Packers or plugs

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Hackney Bernard L.

Inventor

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Halbardier, deceased Floyd A.

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Halliburton Services

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Hanson Harry R.

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Hassel-Sorensen Tore

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Hauck Emil

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Haugen David M.

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Head Philip F.

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Hegemann Paul

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Helderle Paul M.

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Henderson H. O.

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Hendrickson James D.

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Hendricksonj James

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Hess Alfred E.

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Hines Fergus C.

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Hiorth Epen

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Hipp James E.

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Hoffman Corey

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Holder Barry K.

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Huggins Jeffrey W.

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