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Shanshan Xu

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  • Xuzhou, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Spider electronic tag
    • Patent number 12,215,526
    • Issue date Feb 4, 2025
    • XUZHOU DRAGON GUARD INDUSTRIAL CO., LTD.
    • Wen Zhou
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Pin-type anti-theft tag with double locking
    • Patent number 11,244,550
    • Issue date Feb 8, 2022
    • XUZHOU DRAGON GUARD INDUSTRIAL CO., LTD.
    • Shanshan Xu
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Patents Applicationslast 30 patents