TREA

Yanwu Pang

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  • Guangdong, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Headset
    • Patent number D968355
    • Issue date Nov 1, 2022
    • Shenzhen Grandsun Electronic Co., Ltd.
    • Haiquan Wu
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Headphone
    • Patent number D953287
    • Issue date May 31, 2022
    • SHENZHEN GRANDSUN ELECTRONIC CO., LTD.
    • Haiquan Wu
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Audio input/output device with display screen
    • Patent number D899395
    • Issue date Oct 20, 2020
    • SHENZHEN GRANDSUN ELECTRONIC CO., LTD.
    • Yanwu Pang
    • D14 - Recording, communication, or information retrieval equipment