TREA

James V. Holstine

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  • Traverse City, MI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Hybrid heating and cooling system
    • Patent number 7,228,696
    • Issue date Jun 12, 2007
    • Geofurnace Development Inc.
    • Rex K. Ambs
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...

Patents Applicationslast 30 patents

  • Information Patent Application

    Hybrid heating and cooling system
    • Publication number 20060288724
    • Publication date Dec 28, 2006
    • Geofurnace Development Inc.
    • Rex K. Ambs
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...