Patents by Inventor Robert Gonstad

Robert Gonstad 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).

  • Firearm based breaching tool
    Patent number: 8418592
    Abstract: A firearm based breeching tool uses the expansion gases of a blank high capacity firearm round to fire a piston at a breeching chisel, the chisel having a cutting head that is designed to breech a hardened obstacle. The invention is based on an assault rifle configuration that is modified to use the pump action of a shotgun to replenish a round of ammunition into the firing chamber and otherwise reset the device including the firing piston and the standard trigger mechanism.
    Type: Grant
    Filed: August 29, 2011
    Date of Patent: April 16, 2013
    Assignee: Innovative Technologies, LLC
    Inventors: Robert Gonstad, Jacques A. Nevils