TREA

Kenneth Ritsher

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  • Watertown, MA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Contractible portable humidifier
    • Patent number 6,019,355
    • Issue date Feb 1, 2000
    • Honeywell Inc.
    • Walter Birdsell
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Portable vaporizer with cooling chamber
    • Patent number 5,970,211
    • Issue date Oct 19, 1999
    • Honeywell Inc.
    • Kenneth A. Ritsher
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Vaporizer
    • Patent number D406885
    • Issue date Mar 16, 1999
    • Honeywell Consumer Products, Inc.
    • Rodney Jane'
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Portable humidifier
    • Patent number D398043
    • Issue date Sep 8, 1998
    • Honeywell Consumer Products, Inc.
    • Kenneth Ritsher
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Humidifier
    • Patent number D397195
    • Issue date Aug 18, 1998
    • Honeywell Inc.
    • Diane Allen
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Humidifier
    • Patent number D390938
    • Issue date Feb 17, 1998
    • Duracraft Corp.
    • Rodney Jane
    • D23 - Environmental heating and cooling