Patents by Inventor Xichao Qiu

Xichao Qiu 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).

  • Pet stairs
    Patent number: D903212
    Type: Grant
    Filed: March 6, 2020
    Date of Patent: November 24, 2020
    Inventor: Xichao Qiu
  • Playpen
    Patent number: D961712
    Type: Grant
    Filed: April 29, 2021
    Date of Patent: August 23, 2022
    Inventor: Xichao Qiu