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Hot tap tool
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Patent number 6,126,369
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Issue date Oct 3, 2000
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Stephen L. Jiles
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Tension actuated gas shutoff valve
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Patent number 5,595,207
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Issue date Jan 21, 1997
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Southern California Gas Company
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Stephen L. Jiles
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Dual purpose pipe stopper mechanism
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Patent number 5,358,010
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Issue date Oct 25, 1994
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Stephen L. Jiles
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Pipeline repair method and apparatus
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Patent number 5,052,431
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Issue date Oct 1, 1991
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Stephen L. Jiles
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Plastic-pipe ovality gauge
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Patent number 5,050,310
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Issue date Sep 24, 1991
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Stephen L. Jiles
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Shell cutter
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Patent number 5,044,393
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Issue date Sep 3, 1991
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Stephen L. Jiles
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Universal plastic-pipe tool
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Patent number 5,020,401
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Issue date Jun 4, 1991
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Stephen L. Jiles
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR