Patents by Inventor Kuk Su Cho

Kuk Su Cho 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).

  • Drum educational entertainment apparatus
    Publication number: 20020002900
    Abstract: The present invention relates to an educational entertainment apparatus which comprises drum instrument set. More particularly, the present invention is directed to an educational entertainment apparatus for allowing players to play drum instrument set which generates acoustic sound and for evaluation and grading the accuracy and skillfulness of drum play.
    Type: Application
    Filed: June 13, 2001
    Publication date: January 10, 2002
    Inventor: Kuk Su Cho