Patents by Inventor Derek T. Wu

Derek T. 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).

  • Patent number: 5529305
    Abstract: The golf practice device includes, on the one hand, a triangular-shaped frame with adjustable side members and a telescoping base member, and, on the other hand, a flat disk with angular graduations and an extending rod with a linear array of slots; the disk and rod both being connected to the apex of the triangular frame. The frame serves as a feet positioning means to aid the beginner golfer in determining his or her optimal golf stance. The extending rod serves as a tee positioning means to aid said golfer in deterimining the most effective putting and driving distances between the golfer and the ball.
    Type: Grant
    Filed: June 5, 1995
    Date of Patent: June 25, 1996
    Inventor: Derek T. Wu