Patents by Inventor George Wen-Hsi Chao

George Wen-Hsi Chao 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).

  • Eyeglasses
    Patent number: D436613
    Type: Grant
    Filed: December 9, 1999
    Date of Patent: January 23, 2001
    Inventor: George Wen-Hsi Chao
  • Eyeglass frame front
    Patent number: D480881
    Type: Grant
    Filed: April 30, 2002
    Date of Patent: October 21, 2003
    Inventor: George Wen-Hsi Chao