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Method for aligning tubulars
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Patent number 7,043,814
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Issue date May 16, 2006
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Weatherford/Lamb, Inc.
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Jimmy Lawrence Hollingsworth
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Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
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Method for aligning tubulars
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Patent number 6,591,471
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Issue date Jul 15, 2003
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Weatherford/Lamb, Inc.
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Jimmy Lawrence Hollingsworth
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Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
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Single joint elevator
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Patent number 6,073,699
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Issue date Jun 13, 2000
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Weatherford/Lamb, Inc.
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Jimmy L. Hollingsworth
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E21 - EARTH DRILLING MINING
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