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Roger L. Davenport

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  • Oceanside, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Solar collector
    • Patent number 8,662,072
    • Issue date Mar 4, 2014
    • Barry L. Butler
    • F24 - HEATING RANGES VENTILATING

Patents Applicationslast 30 patents

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    SOLAR COLLECTOR
    • Publication number 20110179791
    • Publication date Jul 28, 2011
    • Barry L. Butler
    • F24 - HEATING RANGES VENTILATING