Patents Assigned to GUANGZHOU CHAOSHENG TECHNOLOGY CO., LTD
  • Window breaker
    Patent number: D878883
    Type: Grant
    Filed: September 25, 2019
    Date of Patent: March 24, 2020
    Assignees: SHENZHEN QIANHAI PATUOXUN NETWORK AND TECHNOLOGY CO., LTD, GUANGZHOU CHAOSHENG TECHNOLOGY CO., LTD
    Inventor: Zaihui Hu