Patents by Inventor Karson Chuang

Karson Chuang 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: D335579
    Type: Grant
    Filed: March 11, 1991
    Date of Patent: May 18, 1993
    Inventor: Karson Chuang