Patents Assigned to HANGZHOU DUKANG TECHNOLOGY CO., LTD.
  • Electronic video magnifier
    Patent number: D952724
    Type: Grant
    Filed: September 19, 2019
    Date of Patent: May 24, 2022
    Assignee: HANGZHOU DUKANG TECHNOLOGY CO., LTD.
    Inventors: Xiang Ying, Yayu Zheng