Patents Assigned to Dongguan UiiSii Electronics Co., Ltd
  • Earphone
    Patent number: D887394
    Type: Grant
    Filed: August 12, 2018
    Date of Patent: June 16, 2020
    Assignee: Dongguan UiiSii Electronics Co., Ltd
    Inventors: Chunyan Zhang, Xinpeng Feng, Wei Li, Zhongda Chen
  • Earphone
    Patent number: D931255
    Type: Grant
    Filed: December 5, 2019
    Date of Patent: September 21, 2021
    Assignee: Dongguan UiiSii Electronics Co., Ltd
    Inventors: Chunyan Zhang, Yongguo Wu, Wei Li, Zhongda Chen