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Pipeline recovery tool
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Patent number 6,402,428
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Issue date Jun 11, 2002
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J. Ray McDermott, S.A.
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Ziba Morisi
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Deep water lowering apparatus
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Patent number 5,951,227
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Issue date Sep 14, 1999
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J. Ray McDermott, S.A.
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Dennis Earl Calkins
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B66 - HOISTING LIFTING HAULING
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Removable closure device
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Patent number 4,775,265
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Issue date Oct 4, 1988
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McDermott Incorporated
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Dennis E. Calkins
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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