Patents by Inventor Chrystle Cu

Chrystle Cu 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).

  • Toothbrush
    Patent number: D989492
    Type: Grant
    Filed: August 3, 2021
    Date of Patent: June 20, 2023
    Assignee: Cocofloss Inc.
    Inventors: Chrystle Cu, Catherine Cu
  • Bristle arrangement for a toothbrush
    Patent number: D993632
    Type: Grant
    Filed: August 20, 2021
    Date of Patent: August 1, 2023
    Assignee: Cocofloss Inc.
    Inventors: Chrystle Cu, Melissa Cheng