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Inflatable well packer
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Patent number 4,768,590
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Issue date Sep 6, 1988
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Tam International, Inc.
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Lawrence Sanford
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E21 - EARTH DRILLING MINING
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Packer assembly
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Patent number 4,648,448
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Issue date Mar 10, 1987
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Tam International, Inc.
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Lawrence Sanford
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E21 - EARTH DRILLING MINING
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Inflatable packer
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Patent number 4,163,562
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Issue date Aug 7, 1979
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Lawrence Sanford
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E21 - EARTH DRILLING MINING
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