Patents by Inventor Roland R. Hannes

Roland R. Hannes 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).

  • Adjustable bridge system for a stringed instrument
    Patent number: 7071398
    Abstract: A bridge system (10) for a stringed instrument having means to adjust independent bridge elements longitudinally, vertically, and laterally. The bridge (10) elements include a unit (20), a control anchor (300) having a ring (340) and bolted to the instrument body through an elongate opening in the ring (340). A longitudinal adjustment screw (390) connects the control anchor (300) to the saddle/base unit (20), and the structural base (100) includes a height adjustment screw (180) that engages the saddle (200). Multidimensional adjustments can be made with a single tool.
    Type: Grant
    Filed: July 11, 2003
    Date of Patent: July 4, 2006
    Inventor: Roland R. Hannes