Lowe, Price, LeBlanc, Becker & Shur
Dual purpose chafing pot
 An electric chafing pot having two heating coils positioned to heat different parts of a pan for containing food. A base unit providing the heating coils is configured with a roughly cylindrical convex structure in the center of the base unit, having one heating coil mounted at the top of the convex structure and another heating coil provided around the bottom of the convex structure. The pan is concavely shaped to closely fit over the convex structure and to contact the heating coils at two different surfaces. The result is an efficiently heated dual function electric chafing pot. 
H A A
H05B A47J A47J
inventional inventional inventional
Chung-Kuo
Ho