Patents by Inventor Matthew L. Martinson

Matthew L. Martinson 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).

  • Container
    Patent number: D495249
    Type: Grant
    Filed: April 17, 2003
    Date of Patent: August 31, 2004
    Assignee: Hormel Foods, LLC
    Inventors: Matthew L. Martinson, Richard T. Steichen, Gregory L. Nelson, John F. Mork
  • Package tray
    Patent number: D737681
    Type: Grant
    Filed: December 6, 2013
    Date of Patent: September 1, 2015
    Assignee: HORMEL FOODS CORPORATION
    Inventors: Matthew L. Martinson, Richard T. Steichen, Gregory L. Nelson