Patents Assigned to SHENZHEN HUA SHENG YUAN TRAING CO., LTD
  • Doorbell holder
    Patent number: D932931
    Type: Grant
    Filed: January 8, 2021
    Date of Patent: October 12, 2021
    Assignee: SHENZHEN HUA SHENG YUAN TRAING CO., LTD
    Inventor: Meimei Li