Patents by Inventor Chengwei Yin

Chengwei Yin has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Speaker stand
    Patent number: D870712
    Type: Grant
    Filed: May 10, 2018
    Date of Patent: December 24, 2019
    Assignee: Shenzhen Angniu Technology Co., Ltd.
    Inventor: Chengwei Yin
  • Power supply
    Patent number: D954647
    Type: Grant
    Filed: December 30, 2020
    Date of Patent: June 14, 2022
    Assignee: SHENZHEN ANGNIU TECHNOLOGY CO., LTD.
    Inventor: Chengwei Yin