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Water distributor
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Patent number 6,367,782
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Issue date Apr 9, 2002
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Research Products Corporation
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Timothy L. Guetersloh
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F28 - HEAT EXCHANGE IN GENERAL
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Damper blade control
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Patent number 6,192,931
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Issue date Feb 27, 2001
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Research Products Corporation
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Timothy L. Guetersloh
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Heat exchanger media frame
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Patent number 5,322,117
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Issue date Jun 21, 1994
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Research Products Corporation
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Timothy L. Guetersloh
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F28 - HEAT EXCHANGE IN GENERAL
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Multi-unit grease filter
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Patent number 5,302,174
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Issue date Apr 12, 1994
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Research Products Corporation
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Timothy L. Guetersloh
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F24 - HEATING RANGES VENTILATING
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Humidifier casing
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Patent number D322122
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Issue date Dec 3, 1991
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Research Products Corporation
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Timothy L. Guetersloh
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D23 - Environmental heating and cooling
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