Patents by Inventor Chin C. Tsai

Chin C. Tsai 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).

  • Foot massager
    Patent number: D346030
    Type: Grant
    Filed: March 15, 1993
    Date of Patent: April 12, 1994
    Inventor: Chin C. Tsai