Patents by Inventor Mark S. Sutherin

Mark S. Sutherin 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: 5020664
    Abstract: A polygonal protective carton for a rotary broom which has a central support tube and bristles extending radially therefrom to form a substantially cylindrical broom. The carton includes ends which have hubs that extend into the open ends of the tube to substantially suspend the broom in the carton to prevent shifting therein which would cause damage to the bristles.
    Type: Grant
    Filed: October 29, 1990
    Date of Patent: June 4, 1991
    Assignee: United Rotary Brush Corporation
    Inventors: John R. Hughes, Mark S. Sutherin