Patents by Inventor Ki D. Kim

Ki D. Kim 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).

  • Echo sounds melodeon
    Patent number: 4776427
    Abstract: An echo sound melodeon, in accordance with the principles of this invention, includes a body on which is mounted a keyboard and a holder, and a controlled flow of air into an interior of the body. A propeller is placed in the interior of the body in the path of the controlled flow of air. The spinning of the propeller causes the flow of air to vibrate and the vibrating air creates echo sound effects.
    Type: Grant
    Filed: June 23, 1987
    Date of Patent: October 11, 1988
    Inventor: Ki D. Kim