TREA

Heung Ching Ng

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  • Kowloon, HK
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Patents Grantslast 30 patents

  • Information Patent Grant

    Rechargeable battery pack
    • Patent number 7,157,180
    • Issue date Jan 2, 2007
    • Choon Nang Electrical Appliance Mfy., Ltd.
    • Tat Nin Lui
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

  • Information Patent Application

    Rechargeable battery pack
    • Publication number 20040029426
    • Publication date Feb 12, 2004
    • CHOON NANG ELECTRICAL APPLIANCE MFY., LTD.
    • Tat Nin Lui
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS