Patents by Inventor Ke Lei

Ke Lei 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).

  • Cosmetic instrument
    Patent number: D1022235
    Type: Grant
    Filed: September 14, 2022
    Date of Patent: April 9, 2024
    Inventors: Jianhang Chen, Ke Lei, Nianou Wang