Patents by Inventor Stephen R. Callender

Stephen R. Callender 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).

  • Cooled surface for animals
    Publication number: 20120167607
    Abstract: In the embodiment of my invention, a cooled surface is provided for a dog or other animal to lie upon. The cooled surface is a refrigerated surface. In the embodiment, the surface is the exterior surface of a thermally conductive plate that is one wall of a refrigerated space.
    Type: Application
    Filed: January 5, 2011
    Publication date: July 5, 2012
    Inventor: Stephen R. Callender