Patents by Inventor Ha Woong Soo

Ha Woong Soo 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).

  • Publication number: 20030054907
    Abstract: Disclosed herein is a multi-purpose racket. The multi-purpose racket includes a striking blade and a shaft. The striking blade includes a hollow substrate consisting of first and second flat sheets and a plurality of partition walls successively arranged between the two flat sheets to form a plurality of cells in the substrate. In this striking blade, a hard layer is attached to the outer surface of the first sheet of the substrate for allowing a user to strike a ball strongly. A sub-layer is attached to the outer surface of the second sheet of the substrate and acts as a cushion. In addition, a soft layer is attached to the outer surface of the sub-layer and has a plurality of densely packed hook members over its whole external surface. The racket of this invention allows a user to strike various kinds of balls.
    Type: Application
    Filed: February 27, 2002
    Publication date: March 20, 2003
    Inventor: Ha Woong Soo