Patents by Inventor Chengzhen Zhou

Chengzhen Zhou 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).

  • Slipper
    Patent number: D986544
    Type: Grant
    Filed: June 25, 2021
    Date of Patent: May 23, 2023
    Inventor: Chengzhen Zhou
  • Slipper
    Patent number: D992870
    Type: Grant
    Filed: June 23, 2021
    Date of Patent: July 25, 2023
    Inventor: Chengzhen Zhou