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Impeller assembly for a blower mechanism
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Patent number 4,406,585
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Issue date Sep 27, 1983
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Goettl Enterprises
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Adam D. Goettl
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Pan structure
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Patent number 4,078,690
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Issue date Mar 14, 1978
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Adam D. Goettl
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F28 - HEAT EXCHANGE IN GENERAL
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Pan structure
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Patent number 4,049,150
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Issue date Sep 20, 1977
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Adam D. Goettl
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F28 - HEAT EXCHANGE IN GENERAL
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Adjustable V belt pulley
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Patent number 3,979,963
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Issue date Sep 14, 1976
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Adam D. Goettl
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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