Patents by Inventor Keng Qian

Keng Qian 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).

  • Toddler slide set
    Patent number: D1005434
    Type: Grant
    Filed: July 12, 2023
    Date of Patent: November 21, 2023
    Inventor: Keng Qian
  • Slide toy
    Patent number: D1007632
    Type: Grant
    Filed: May 8, 2023
    Date of Patent: December 12, 2023
    Inventor: Keng Qian