Patents by Inventor Melissa Cheng

Melissa Cheng 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).

  • 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
  • Bristle arrangement for a toothbrush
    Patent number: D1056508
    Type: Grant
    Filed: June 29, 2023
    Date of Patent: January 7, 2025
    Assignee: Cocofloss Inc.
    Inventors: Chrystle Cu, Melissa Cheng