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Radial seal hydraulic coupler
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Patent number 4,834,139
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Issue date May 30, 1989
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Ferranti Subsea Systems, Inc.
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Michael R. Fitzgibbons
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E21 - EARTH DRILLING MINING
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Radial seal hydraulic coupler
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Patent number 4,768,538
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Issue date Sep 6, 1988
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Ferranti Subsea Systems, Inc.
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Robert A. Mintz
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E21 - EARTH DRILLING MINING
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Lifting system
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Patent number 4,725,088
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Issue date Feb 16, 1988
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Ferranti Subsea Systems Limited
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James L. Mank
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B66 - HOISTING LIFTING HAULING
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Clamp assembly
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Patent number 4,648,748
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Issue date Mar 10, 1987
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Ferranti Subsea Systems, Ltd.
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Michael R. Fitzgibbons
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E21 - EARTH DRILLING MINING
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