Patents Assigned to SHENZHEN DEFTUN TECHNOLOGY CO., LTD.
  • Patent number: D814467
    Type: Grant
    Filed: May 9, 2017
    Date of Patent: April 3, 2018
    Assignee: SHENZHEN DEFTUN TECHNOLOGY CO., LTD.
    Inventor: Shengqing Long
  • Patent number: D814468
    Type: Grant
    Filed: May 9, 2017
    Date of Patent: April 3, 2018
    Assignee: SHENZHEN DEFTUN TECHNOLOGY CO., LTD
    Inventor: Shengqing Long
  • Patent number: D815093
    Type: Grant
    Filed: May 9, 2017
    Date of Patent: April 10, 2018
    Assignee: SHENZHEN DEFTUN TECHNOLOGY CO., LTD
    Inventor: Shengqing Long