Patents by Inventor Robert J. Ballantine

Robert J. Ballantine 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).

  • Articulated retractor blade holder
    Patent number: 7753844
    Abstract: An apparatus for holding a surgical retractor comprises a support handle and a surgical retractor holding element pivotally attached to the support handle. A rod engages the retractor holder element at a position spaced from the pivotal attachment to the support handle with the rod being movable thereby pivoting the holding element to move the position of the retractor blade of the surgical retractor.
    Type: Grant
    Filed: October 15, 2004
    Date of Patent: July 13, 2010
    Assignee: Minnesota Scientific, Inc.
    Inventors: Todd W. Sharratt, Todd M. Bjork, Robert J. Ballantine