Patents by Inventor Victor Chun-Cheng Wu

Victor Chun-Cheng 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).

  • Directional practice device
    Patent number: 7172516
    Abstract: A directional practice device includes a directional frame and a rail base. The directional frame provides a part being defined to move rectilinearly and an engaging member for locating a sport apparatus. The rail base provides two parallel rail parts and each of the rail parts has a component to define a movement of the directional frame.
    Type: Grant
    Filed: November 14, 2005
    Date of Patent: February 6, 2007
    Inventor: Victor Chun-Cheng Wu