Patents by Inventor Dingxing Mao

Dingxing Mao 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).

  • Hair clipper
    Patent number: D970816
    Type: Grant
    Filed: January 15, 2021
    Date of Patent: November 22, 2022
    Assignee: WAHL CLIPPER CORPORATION
    Inventors: Dingxing Mao, Ryan Smith, George William Gassman
  • Hair clipper
    Patent number: D971503
    Type: Grant
    Filed: January 15, 2021
    Date of Patent: November 29, 2022
    Assignee: WAHL CLIPPER CORPORATION
    Inventors: Dingxing Mao, Ryan Smith, George William Gassman