Patents by Inventor Ralph A. Bender

Ralph A. Bender 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).

  • Toggling punch
    Patent number: 8096032
    Abstract: A toggling punch for attaching a waveguide entry spinning to a waveguide entry panel wherein the cylindrical body portion of the waveguide entry spinning is deformed outwardly over the waveguide entry panel by means of a plurality of inclined movable pins which are moved to their crimping positions by means of a hydraulic cylinder operatively connected thereto.
    Type: Grant
    Filed: April 12, 2007
    Date of Patent: January 17, 2012
    Assignee: Valmont Industries, Inc.
    Inventors: Ralph A. Bender, Alan F. Bender