Patents by Inventor Ta-Chiang Wu

Ta-Chiang Wu 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).

  • Dart board
    Patent number: D365601
    Type: Grant
    Filed: December 28, 1994
    Date of Patent: December 26, 1995
    Assignee: Pai Li Business Co., Ltd.
    Inventor: Ta-Chiang Wu
  • Dart board
    Patent number: D382600
    Type: Grant
    Filed: March 13, 1996
    Date of Patent: August 19, 1997
    Inventor: Ta-Chiang Wu