TREA

ARIADNE'S THREAD HOLDING (BEIJING) CO., LTD.

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  • Beijing, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Headwear virtual reality device
    • Patent number D852878
    • Issue date Jul 2, 2019
    • ARIADNE'S THREAD HOLDING (BEIJING) CO., LTD.
    • Kai Li
    • D16 - Photography and optical equipment
  • Information Patent Grant

    Headwear virtual reality device
    • Patent number D840398
    • Issue date Feb 12, 2019
    • ARIADNE'S THREAD HOLDING (BEIJING) CO., LTD.
    • Kai Li
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Main body portion of headwear virtual reality device
    • Patent number D840397
    • Issue date Feb 12, 2019
    • ARIADNE'S THREAD HOLDING (BEIJING) CO., LTD.
    • Kai Li
    • D14 - Recording, communication, or information retrieval equipment