Patents Assigned to SHENZHEN YOUHONG TECHNOLOGY CO., LTD.
  • Smart band
    Patent number: D917471
    Type: Grant
    Filed: April 25, 2019
    Date of Patent: April 27, 2021
    Assignee: SHENZHEN YOUHONG TECHNOLOGY CO., LTD.
    Inventors: Hongwu Yan, Zuoliang Li