Patents by Inventor Guijuan Du

Guijuan Du 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).

  • BUBBLE MACHINE WITH CAMERA FUNCTION
    Publication number: 20220118378
    Abstract: The present invention discloses a bubble machine with a camera function, and relates to the technical field of bubble machines. In the present invention, a bubble machine and a digital camera merge into one device by fixedly arranging the digital camera and the bubble machine in a housing, which is more convenient for people to carry out. On the other hand, in the present invention, after bubbles are blown out, people use the digital camera to take pictures to achieve simultaneous processes, which is more convenient for people to take pictures or record videos while blowing bubbles.
    Type: Application
    Filed: December 31, 2021
    Publication date: April 21, 2022
    Inventor: GUIJUAN DU
  • Watch band with a nylon loop hook
    Patent number: D904918
    Type: Grant
    Filed: January 18, 2018
    Date of Patent: December 15, 2020
    Inventor: Guijuan Du
  • Kids bubble camera
    Patent number: D961688
    Type: Grant
    Filed: June 28, 2021
    Date of Patent: August 23, 2022
    Inventor: Guijuan Du