Patents by Inventor Mi Ryung Barn

Mi Ryung Barn 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).

  • TEACHING TOOL FOR UNDERSTANDING SHAPES WHICH HAVE VARYING FORMS DEPENDING ON VIEWING POSITION
    Publication number: 20130177896
    Abstract: The present invention discloses a teaching tool for easier understanding of a diagram looking different depending on viewing angles. The teaching tool includes a transparent body (3) composed of transparent plates (1), and a plurality of circular rings (2) arranged within the transparent body (3) at a specified interval.
    Type: Application
    Filed: July 13, 2011
    Publication date: July 11, 2013
    Inventors: Dong Chul Kim, Mi Ryung Barn