Patents by Inventor Zen-Chieh Fang

Zen-Chieh Fang 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: D477913
    Type: Grant
    Filed: November 22, 2002
    Date of Patent: August 5, 2003
    Inventor: Zen-Chieh Fang
  • Patent number: D395753
    Type: Grant
    Filed: April 29, 1997
    Date of Patent: July 7, 1998
    Inventor: Zen-Chieh Fang
  • Patent number: D399652
    Type: Grant
    Filed: September 2, 1997
    Date of Patent: October 20, 1998
    Inventor: Zen-Chieh Fang
  • Patent number: D426705
    Type: Grant
    Filed: February 26, 1999
    Date of Patent: June 20, 2000
    Inventor: Zen-Chieh Fang
  • Patent number: D431360
    Type: Grant
    Filed: April 16, 1999
    Date of Patent: October 3, 2000
    Inventor: Zen-Chieh Fang