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Valve in-line backflow control
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Patent number 7,971,598
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Issue date Jul 5, 2011
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Herbert W. Hoeptner, III
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Flow controlling hydrant structure
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Patent number 6,935,358
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Issue date Aug 30, 2005
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Herbert W. Hoeptner, III
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Flow controlling dual hydrant
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Patent number 6,857,446
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Issue date Feb 22, 2005
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Herbert W. Hoeptner, III
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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