TREA

Keechang Han

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  • Shanghai, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Adapter for upright sprinkler with rotating head
    • Patent number 6,439,478
    • Issue date Aug 27, 2002
    • Bird Brain, Inc.
    • Courtney A. King
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Grant

    Insert for gazing ball
    • Patent number 6,431,506
    • Issue date Aug 13, 2002
    • Bird Brain, Inc.
    • Courtney A. King
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Grant

    Sprinkler base
    • Patent number D444206
    • Issue date Jun 26, 2001
    • Bird Brain, Inc.
    • Courtney A. King
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Sprinkler base
    • Patent number D440280
    • Issue date Apr 10, 2001
    • Bird Brain, Inc.
    • Courtney A. King
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Sprinkler base
    • Patent number D439632
    • Issue date Mar 27, 2001
    • Bird Brain, Inc.
    • Courtney A. King
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Sprinkler base
    • Patent number D438284
    • Issue date Feb 27, 2001
    • Bird Brain, Inc.
    • Courtney A. King
    • D23 - Environmental heating and cooling