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Mechanical fitting for plastic pipe
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Patent number 11,384,882
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Issue date Jul 12, 2022
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R.W. Lyall Company, Inc.
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Gregory Harlan Goble
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Mechanical fitting for plastic pipe
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Patent number 10,550,972
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Issue date Feb 4, 2020
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R.W. Lyall Company, Inc.
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Gregory Harlan Goble
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Excess flow control valve
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Patent number 7,533,689
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Issue date May 19, 2009
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R.W. Lyall Company, Inc.
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Gregory Harlan Goble
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Pipe repair coupling
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Patent number 4,386,796
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Issue date Jun 7, 1983
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R. W. Lyall Co., Inc.
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Robert W. Lyall
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...