Patents by Inventor Vu T. Dang

Vu T. Dang 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).

  • Weight bar with internally-threaded axial ends
    Patent number: 7364536
    Abstract: A weight bar for use with a dumbbell having an externally-threaded end is provided that includes a substantially cylindrical elongated bar having a longitudinal axis, first and second axial ends and an intermediate section extending between the axial ends. The first and second axial ends each comprise internally-threaded sections disposed substantially along the longitudinal axis of the weight bar for threadably receiving an externally-threaded end of a dumbbell. The internally-threaded sections of the first and second axial ends each comprise threads having substantially flat thread ends.
    Type: Grant
    Filed: November 12, 2004
    Date of Patent: April 29, 2008
    Assignee: Bell Foundry Company
    Inventors: Cesar A. Cappellini, Vu T. Dang