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Ronald C. Markham

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  • Kentwood, MI, US
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    INDUCTIVELY COUPLED BALLAST CIRCUIT
    • Publication number 20170133882
    • Publication date May 11, 2017
    • Access Business Group International LLC
    • Roy W. Kuennen
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Application

    HUMIDIFIER WITH ULTRAVIOLET DISINFECTION
    • Publication number 20170038083
    • Publication date Feb 9, 2017
    • Access Business Group International LLC
    • Ronald C. Markham
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Application

    INDUCTIVELY COUPLED BALLAST CIRCUIT
    • Publication number 20160261143
    • Publication date Sep 8, 2016
    • Access Business Group International LLC
    • Roy W. Kuennen
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Application

    INDUCTIVELY COUPLED BALLAST CIRCUIT
    • Publication number 20160172907
    • Publication date Jun 16, 2016
    • Access Business Group International LLC
    • Roy W. Kuennen
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    HUMIDIFIER WITH ULTRAVIOLET DISINFECTION
    • Publication number 20150090121
    • Publication date Apr 2, 2015
    • Access Business Group International LLC
    • Ronald C. Markham
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Application

    INDUCTIVELY COUPLED BALLAST CIRCUIT
    • Publication number 20140077696
    • Publication date Mar 20, 2014
    • Access Business Group International LLC
    • Roy W. Kuennen
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    HUMIDIFIER WITH ULTRAVIOLET DISINFECTION
    • Publication number 20120234166
    • Publication date Sep 20, 2012
    • Access Business Group International LLC
    • Ronald C. Markham
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    INDUCTIVELY COUPLED BALLAST CIRCUIT
    • Publication number 20120001562
    • Publication date Jan 5, 2012
    • Access Business Group International LLC
    • Roy W. Kuennen
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    INDUCTIVELY COUPLED BALLAST CIRCUIT
    • Publication number 20080191638
    • Publication date Aug 14, 2008
    • Access Business Group International LLC
    • Roy W. Kuennen
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    Inductively Coupled Ballast Circuit
    • Publication number 20070085487
    • Publication date Apr 19, 2007
    • Access Business Group International LLC
    • Roy W. Kuennen
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    Inductively coupled ballast circuit
    • Publication number 20050093475
    • Publication date May 5, 2005
    • Roy W. Kuennen
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    Inductively coupled ballast circuit
    • Publication number 20030015479
    • Publication date Jan 23, 2003
    • Roy W. Kuennen
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Application

    Radio frequency identification system for a fluid treatment system
    • Publication number 20030015478
    • Publication date Jan 23, 2003
    • Roy W. Kuennen
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE