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Kai Kei Poon

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  • Dongguan, CN
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Patents Applicationslast 30 patents

  • Information Patent Application

    Waterproof Toggle Switch
    • Publication number 20180102227
    • Publication date Apr 12, 2018
    • DONGGUAN CHEN DA APPLIANCE CO. LTD
    • Kai Kei Poon
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Push-Button Switch Capable of Adjusting Output Power
    • Publication number 20180061593
    • Publication date Mar 1, 2018
    • Dongguan Chen Da Appliance Co., Ltd.
    • Kai Kei Poon
    • H01 - BASIC ELECTRIC ELEMENTS