Patents by Inventor Donald E. Pizzolato

Donald E. Pizzolato 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).

  • Hot food carton having insulated bottom wall structure
    Patent number: 4717069
    Abstract: A carton for hot foods in which the bottom wall of the carton comprises a plurality of layers which enclose therebetween a plurality of void spaces that serve to limit the conduction of heat from hot foods positioned on the upper surface of the bottom wall of the carton to a cold surface on which the bottom surface of the bottom wall rests. The void spaces may take the form of a plurality of generally conical dimples depressed into the lower layer of the bottom wall, or may take the form of elongated V-shaped grooves or furrows depressed into the lower layer of the bottom wall.
    Type: Grant
    Filed: June 3, 1987
    Date of Patent: January 5, 1988
    Inventor: Donald E. Pizzolato