Patents by Inventor Tsai Chin-Chi

Tsai Chin-Chi 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).

  • Sole massager
    Patent number: D345804
    Type: Grant
    Filed: January 13, 1993
    Date of Patent: April 5, 1994
    Inventor: Tsai Chin-Chi