Patents by Inventor Fang-Jung Chang

Fang-Jung Chang 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).

  • Pendant
    Patent number: D396199
    Type: Grant
    Filed: July 25, 1997
    Date of Patent: July 21, 1998
    Inventor: Fang-Jung Chang
  • Finger ring
    Patent number: D398255
    Type: Grant
    Filed: July 25, 1997
    Date of Patent: September 15, 1998
    Inventor: Fang-Jung Chang