Patents by Inventor Yee-Chang Liau

Yee-Chang Liau 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: D376932
    Type: Grant
    Filed: September 21, 1995
    Date of Patent: December 31, 1996
    Inventors: Chao-Chuan Hsu, Sun-Yu Wang, Yee-Chang Liau
  • Patent number: D382730
    Type: Grant
    Filed: September 21, 1995
    Date of Patent: August 26, 1997
    Inventors: Chao-Chuan Hsu, Sun-Yu Wang, Yee-Chang Liau