Patents by Inventor Jong-Joo Ra

Jong-Joo Ra 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: D601252
    Type: Grant
    Filed: November 2, 2007
    Date of Patent: September 29, 2009
    Inventor: Jong-Joo Ra