Patents by Inventor Chi Wai Roy Chan

Chi Wai Roy Chan 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).

  • Combined cosmetic mirror and tweezer
    Patent number: D938099
    Type: Grant
    Filed: November 18, 2019
    Date of Patent: December 7, 2021
    Assignee: Tung Hing Plastic Manufactory Limited
    Inventor: Chi Wai Roy Chan