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T-housing for septic tank
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Patent number 9,931,590
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Issue date Apr 3, 2018
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Peter W. Gavin
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C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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T-housing for septic tank
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Patent number 9,233,323
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Issue date Jan 12, 2016
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Peter W. Gavin
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Casting riser pan
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Patent number 7,451,570
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Issue date Nov 18, 2008
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Peter W. Gavin
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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Orifice shield for drainage pipe
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Patent number 7,387,468
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Issue date Jun 17, 2008
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The Peter Gavin Spray Trust
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Peter W. Gavin
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A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING