Patents by Inventor Kwang-Chu Yang

Kwang-Chu 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).

  • Ball game target gate
    Patent number: D405834
    Type: Grant
    Filed: July 11, 1995
    Date of Patent: February 16, 1999
    Inventors: Ming-Hui Weng, Kwang-Chu Yang