Patents by Inventor George F. Shinners

George F. Shinners 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).

  • Method and apparatus for breaking concrete or the like
    Patent number: 5695254
    Abstract: A substrate breaking apparatus and method including a frame and a plurality of independently controlled hammers movable between a lowered position and a raised position.
    Type: Grant
    Filed: October 23, 1996
    Date of Patent: December 9, 1997
    Assignee: Badger State Highway Equipment, Inc.
    Inventors: George F. Shinners, John L. Talbert