Patents by Inventor Meiying Song

Meiying Song 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).

  • Mini chainsaw
    Patent number: D957225
    Type: Grant
    Filed: July 4, 2021
    Date of Patent: July 12, 2022
    Assignee: Hefei Qiongzhi Network Technology Co., Ltd.
    Inventor: Meiying Song