Patents by Inventor Liying Bao

Liying Bao 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).

  • Toy sanitation vehicle
    Patent number: D928244
    Type: Grant
    Filed: January 16, 2020
    Date of Patent: August 17, 2021
    Inventor: Liying Bao
  • Unmanned aerial vehicle
    Patent number: D938860
    Type: Grant
    Filed: May 22, 2020
    Date of Patent: December 21, 2021
    Inventor: Liying Bao
  • Remote-controlled toy vehicle
    Patent number: D940253
    Type: Grant
    Filed: January 16, 2020
    Date of Patent: January 4, 2022
    Inventor: Liying Bao