Patents by Inventor Hsi-Fen Wu

Hsi-Fen Wu 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).

  • Multi-functional float board structure
    Patent number: 7101344
    Abstract: A multi-functional float board structure uses a wedge shape design and is constructed with buoyant materials. The float board includes an the inclined surface design on one side of the float board which when placed on a level surface can facilitate foot stretching for a user prior to any aquatic activities. Furthermore, massage nodes on the inclined surface serve as a sole massage device when a user steps on the incline surface.
    Type: Grant
    Filed: April 7, 2003
    Date of Patent: September 5, 2006
    Inventor: Hsi-Fen Wu
  • Swimming board
    Patent number: D483829
    Type: Grant
    Filed: March 25, 2003
    Date of Patent: December 16, 2003
    Inventor: Hsi-Fen Wu