Patents by Inventor Larry Kurt Spitzer

Larry Kurt Spitzer 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).

  • Publication number: 20070161510
    Abstract: The present invention comprises a device for revealing a message or image responsive to temperature changes of approximately 5° F. (3° C.). A thermochromic leuco dye is applied to a surface that is positioned for contact by an outside heating or cooling source. The thermochromic leuco dye reveals an intended message or image when the temperature is changed sufficiently.
    Type: Application
    Filed: January 5, 2007
    Publication date: July 12, 2007
    Inventors: Larry Kurt Spitzer, Jimmy Joe Spitzer