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Parallel seal assembly
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Patent number 5,472,048
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Issue date Dec 5, 1995
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Baker Hughes Incorporated
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Brian S. Kennedy
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E21 - EARTH DRILLING MINING
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Lateral connector receptacle
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Patent number 5,439,051
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Issue date Aug 8, 1995
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Baker Hughes Incorporated
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Brian S. Kennedy
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E21 - EARTH DRILLING MINING
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Liner tie-back sleeve
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Patent number 5,435,392
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Issue date Jul 25, 1995
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Baker Hughes Incorporated
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Brian S. Kennedy
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E21 - EARTH DRILLING MINING
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Scoophead running tool
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Patent number 5,411,082
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Issue date May 2, 1995
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Baker Hughes Incorporated
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Brian S. Kennedy
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E21 - EARTH DRILLING MINING