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  • Crowborough, GB
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Patents Grantslast 30 patents

  • Information Patent Grant

    Building ventilator
    • Patent number 9,746,200
    • Issue date Aug 29, 2017
    • REDRING EXPELAIR GROUP LTD
    • Joseph Holland
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...

Patents Applicationslast 30 patents

  • Information Patent Application

    BUILDING VENTILATOR
    • Publication number 20160265804
    • Publication date Sep 15, 2016
    • REDRING XPELAIR GROUP LIMITED
    • Joseph Holland
    • F24 - HEATING RANGES VENTILATING