TREA

Peter Tai Kwong Cheung

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  • Richmond, CA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Universal portable-device charger
    • Patent number D580354
    • Issue date Nov 11, 2008
    • Xantrex International
    • Grant Iverson Dunbar
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Portable backup power device
    • Patent number D579870
    • Issue date Nov 4, 2008
    • Xantrex International
    • Grant Iverson Dunbar
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Mobile power source
    • Patent number D554584
    • Issue date Nov 6, 2007
    • Xantrex International
    • Alexander Jeffrey Feldman
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Portable backup power supply
    • Patent number D542221
    • Issue date May 8, 2007
    • Xantrex International
    • Marius George Hriscu
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Compact battery charger
    • Patent number D511743
    • Issue date Nov 22, 2005
    • Xantrex International
    • Marius George Hriscu
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Portable battery jumper/charger
    • Patent number D511491
    • Issue date Nov 15, 2005
    • Xantrex International
    • Marius George Hriscu
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Portable battery charger
    • Patent number D506724
    • Issue date Jun 28, 2005
    • Xantrex International
    • Marius George Hriscu
    • D13 - Equipment for production, distribution, or transformation of energy