Patents by Inventor Matthew M. Gunzburger

Matthew M. Gunzburger 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).

  • Patent number: 10525920
    Abstract: A semi-trailer has a rear impact guard including an elongated horizontal member that attaches to a trailer by a pair of vertical guards. The horizontal member may have a top surface, a bottom surface, and a leading edge from which a surface of the guard member extends rearward to the top or bottom surface. The rear impact guard may include a pair of gussets that extend from the vertical guards. Each gusset may include a main generally planar portion, a first stiffening flange perpendicular to the main portion, and a second stiffening flange perpendicular to the first stiffening flange.
    Type: Grant
    Filed: May 31, 2017
    Date of Patent: January 7, 2020
    Assignee: Great Dane LLC
    Inventors: Charles R. Fetz, Daniel E. Carter, Matthew M. Gunzburger, Bradley W. Stephens, Christian S. Lee
  • Publication number: 20180345891
    Abstract: A semi-trailer has a rear impact guard including an elongated horizontal member that attaches to a trailer by a pair of vertical guards. The horizontal member may have a top surface, a bottom surface, and a leading edge from which a surface of the guard member extends rearward to the top or bottom surface. The rear impact guard may include a pair of gussets that extend from the vertical guards. Each gusset may include a main generally planar portion, a first stiffening flange perpendicular to the main portion, and a second stiffening flange perpendicular to the first stiffening flange.
    Type: Application
    Filed: May 31, 2017
    Publication date: December 6, 2018
    Inventors: Charles R. Fetz, Daniel E. Carter, Matthew M. Gunzburger, Bradley W. Stephens