Patents by Inventor Guangcun Ai

Guangcun Ai 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).

  • Eyebrow trimmer
    Patent number: D950852
    Type: Grant
    Filed: July 21, 2020
    Date of Patent: May 3, 2022
    Inventor: Guangcun Ai
  • Electric shaver
    Patent number: D1048556
    Type: Grant
    Filed: May 26, 2022
    Date of Patent: October 22, 2024
    Inventor: Guangcun Ai