Patents Assigned to SHENZHEN YUHUA ZHIJIE TECHNOLOGY CO., LTD.
  • White noise machine
    Patent number: D883329
    Type: Grant
    Filed: January 14, 2020
    Date of Patent: May 5, 2020
    Assignee: SHENZHEN YUHUA ZHIJIE TECHNOLOGY CO., LTD.
    Inventors: Yuehong Shi, Junjun Wu, Xiuzi Huang, Li Fu, Wei Zhao, Ning Kong