TREA

Greg J. Holderfield

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  • Oak Park, IL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Flexible headset for sensing brain electrical activity
    • Patent number D641886
    • Issue date Jul 19, 2011
    • Brainscope Company, Inc.
    • Elvir Causevic
    • D24 - Medical and laboratory equipment
  • Information Patent Grant

    Flexible headset for sensing brain electrical activity
    • Patent number D603051
    • Issue date Oct 27, 2009
    • BrainScope Company, Inc,
    • Elvir Causevic
    • D24 - Medical and laboratory equipment
  • Information Patent Grant

    Brewer
    • Patent number D511922
    • Issue date Nov 29, 2005
    • Bunn-O-Matic Corporation
    • Randall P. Bell
    • D07 - Equipment for preparing or serving food or drink not elsewhere specified
  • Information Patent Grant

    Air cleaner
    • Patent number D501042
    • Issue date Jan 18, 2005
    • Homedics, Inc.
    • Greg J. Holderfield
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Air cleaner
    • Patent number D500848
    • Issue date Jan 11, 2005
    • Homedics, Inc.
    • Greg J. Holderfield
    • D23 - Environmental heating and cooling