Patents by Inventor Cheng-Tsai Wu

Cheng-Tsai 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).

  • Patent number: D348747
    Type: Grant
    Filed: December 11, 1992
    Date of Patent: July 12, 1994
    Inventor: Cheng-Tsai Wu
  • Patent number: D349174
    Type: Grant
    Filed: December 11, 1992
    Date of Patent: July 26, 1994
    Inventor: Cheng-Tsai Wu