Patents by Inventor Chien-Cheng Yuan

Chien-Cheng Yuan 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: D457454
    Type: Grant
    Filed: June 25, 2001
    Date of Patent: May 21, 2002
    Assignee: Gympolics International Corporation
    Inventor: Chien-Cheng Yuan
  • Patent number: D458862
    Type: Grant
    Filed: June 25, 2001
    Date of Patent: June 18, 2002
    Assignee: Gympolics International Corporation
    Inventor: Chien-Cheng Yuan