A fast heating, highly efficient griddle with interchangeable griddle plates including magnetically permeable materials having Curie temperatures which may be the same or different to provide different cooking temperatures is provided. The plates are formed as a balanced composite structure which mitigates...http://www.google.com.au/patents/US5227597?utm_source=gb-gplus-sharePatent US5227597 - Rapid heating, uniform, highly efficient griddle
