Patents Assigned to DONGGUAN QING HAI ELECTRONIC TECHNOLOGY CO., LTD.
  • Smart glasses
    Patent number: D982654
    Type: Grant
    Filed: January 29, 2021
    Date of Patent: April 4, 2023
    Assignee: DONGGUAN QING HAI ELECTRONIC TECHNOLOGY CO., LTD.
    Inventor: Donghai Mei