Wei JIN

Person

  • Hangzhou, CN

Patents Grantslast 30 patents

  • Information Patent Grant

    Doorbell system

    • Patent number 12,198,533
    • Issue date Jan 14, 2025
    • HANGZHOU MEARI TECHNOLOGY CO., LTD
    • Hugang Ding
    • G08 - SIGNALLING

Patents Applicationslast 30 patents