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Horizontal inflation tool
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Patent number 5,186,258
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Issue date Feb 16, 1993
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CTC International Corporation
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Edward T. Wood
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E21 - EARTH DRILLING MINING
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Horizontal inflatable tool
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Patent number 5,082,062
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Issue date Jan 21, 1992
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CTC Corporation
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Edward T. Wood
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E21 - EARTH DRILLING MINING
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Lubricator valve apparatus
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Patent number 4,476,933
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Issue date Oct 16, 1984
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Baker Oil Tools, Inc.
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Robert T. Brooks
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E21 - EARTH DRILLING MINING
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Subsea test tree
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Patent number 4,320,804
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Issue date Mar 23, 1982
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Baker International Corporation
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Robert T. Brooks
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E21 - EARTH DRILLING MINING
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