Patents by Inventor Helen Hueinung Sun

Helen Hueinung Sun 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: D472477
    Type: Grant
    Filed: July 16, 2002
    Date of Patent: April 1, 2003
    Assignee: Timex Group B.V.
    Inventor: Helen Hueinung Sun
  • Patent number: D493373
    Type: Grant
    Filed: June 30, 2003
    Date of Patent: July 27, 2004
    Assignee: Timex Group B.V.
    Inventor: Helen Hueinung Sun