Patents by Inventor William L. Vangen

William L. Vangen 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: 6321649
    Abstract: A compact disc handler includes a picker elevator containing a helically threaded lead screw journaled for rotation about a vertical axis and having a traveling nut thereon to which a disc picker arm is attached. A guideway in the tower cooperates with the picker arm to constrain the picker arm from rotating until reaching a predetermined height elevator. Using this design, a CD can be retrieved from an input hopper, placed in a label printer or other CD publishing/playing device and upon completion of same operation on the disc, it is transported by rotation to an output hopper.
    Type: Grant
    Filed: November 12, 1999
    Date of Patent: November 27, 2001
    Assignee: Rimage Corporation
    Inventors: William L. Vangen, John Byrne