Patents by Inventor Songhua Zhou

Songhua 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).

  • Pencil holder
    Patent number: D942540
    Type: Grant
    Filed: April 20, 2021
    Date of Patent: February 1, 2022
    Inventor: Songhua Zhou
  • Balance board
    Patent number: D955513
    Type: Grant
    Filed: June 22, 2021
    Date of Patent: June 21, 2022
    Inventor: Songhua Zhou
  • File organizer
    Patent number: D967896
    Type: Grant
    Filed: February 15, 2022
    Date of Patent: October 25, 2022
    Inventor: Songhua Zhou