Patents by Inventor Wu-Tsang Yang

Wu-Tsang Yang 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).

  • Paint brush
    Patent number: D395169
    Type: Grant
    Filed: September 17, 1997
    Date of Patent: June 16, 1998
    Assignee: Safeguard Enterprise Co., Ltd.
    Inventor: Wu-Tsang Yang