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Plastic radiant exchanger
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Patent number 4,446,851
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Issue date May 8, 1984
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InterNorth, Inc.
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Ronald D. Grose
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F24 - HEATING RANGES VENTILATING
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Full admission pitot pump
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Patent number 4,355,951
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Issue date Oct 26, 1982
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InterNorth, Inc.
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Ronald D. Grose
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F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
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Pitot heat pump
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Patent number 4,304,104
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Issue date Dec 8, 1981
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Northern Natural Gas Company
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Ronald D. Grose
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F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
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Fracture arrestor for a pipeline
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Patent number 4,284,107
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Issue date Aug 18, 1981
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Internorth
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Ronald D. Grose
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...