Patents by Inventor Sylvester A. Winterheimer

Sylvester A. Winterheimer 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).

  • Method of making a refrigerator cabinet
    Patent number: 5033182
    Abstract: A typical plastic liner refrigerator includes an outer shell of sheet metal, an inner liner of plastic and polyurethane insulation foamed in place between the inner liner and the outer shell. In order to counter stresses which can cause large unsightly cracks to form in the liner, the liner is provided with stress control slots, slits or cuts at locations where they can be covered up, such as the mullion panel.
    Type: Grant
    Filed: June 8, 1990
    Date of Patent: July 23, 1991
    Assignee: Whirlpool Corporation
    Inventors: Sylvester A. Winterheimer, Kenneth L. Hortin, Harry L. Tillman