TREA

Gregory Holderfield

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  • Palatine, IL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Humidifier
    • Patent number D421648
    • Issue date Mar 14, 2000
    • Duracraft Corp.
    • Rodney Jane
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Fan support rod
    • Patent number D395496
    • Issue date Jun 23, 1998
    • Honeywell Consumer Products, Inc.
    • Jui-Shang Wang
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Humidifier housing unit
    • Patent number D388511
    • Issue date Dec 30, 1997
    • Duracraft Corp.
    • Rodney Jane
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Humidifier
    • Patent number D385342
    • Issue date Oct 21, 1997
    • Duracraft Corp.
    • Rodney Jane
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Humidifier
    • Patent number D384140
    • Issue date Sep 23, 1997
    • Duracraft Corp.
    • Rodney Jane
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Dual humidifier tank unit
    • Patent number D383201
    • Issue date Sep 2, 1997
    • Duracraft Corp.
    • Rodney Jane
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Humidifier
    • Patent number D382635
    • Issue date Aug 19, 1997
    • Duracraft Corporation
    • Rodney Jane
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Humidifier housing
    • Patent number D378778
    • Issue date Apr 8, 1997
    • Duracraft Corp.
    • Rodney Jane
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Humidifier tank
    • Patent number D377973
    • Issue date Feb 11, 1997
    • Duracraft Corp.
    • Rodney Jane
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Stand for a portable electric fan with a swivel mount
    • Patent number D377683
    • Issue date Jan 28, 1997
    • Duracraft Corp.
    • Jui-Shang Wang
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Humidifier tank
    • Patent number D377211
    • Issue date Jan 7, 1997
    • Duracraft Corp.
    • Rodney Jane
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Humidifier housing
    • Patent number D374921
    • Issue date Oct 22, 1996
    • Duracraft Corporation
    • Rodney Jane
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Portable ceiling fan
    • Patent number 5,558,501
    • Issue date Sep 24, 1996
    • Duracraft Corporation
    • Jui-Shang Wang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Portable electric fan with a swivel mount
    • Patent number D374071
    • Issue date Sep 24, 1996
    • Duracraft Corporation
    • Jui-Shang Wang
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Portable electric fan with swivel mount
    • Patent number 5,518,370
    • Issue date May 21, 1996
    • Duracraft Corporation
    • Jui-Shang Wang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...