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Tapping sleeve with a gland
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Patent number 6,019,398
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Issue date Feb 1, 2000
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Pipeline Accessory Marketing, Ltd.
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Edward J. Powers
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Tapping sleeve
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Patent number 5,374,087
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Issue date Dec 20, 1994
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Pipeline Accessory Marketing, Ltd.
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Edward J. Powers
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Tapping sleeve
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Patent number 5,040,828
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Issue date Aug 20, 1991
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Pipeline Accessory Marketing, Ltd.
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William L. Kane
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...