First Crystalheater 001.  Presentation 2009: 

INTERNATIONAL FAIR TRADE "IDEAS-INVENTIONS-NEW PRODUCT", Germany 

Presentation 2011:  ESOTERIKMESSE, Nürnberg, Meistersingerhalle 04. - 06. Februar

 http://www.patent-de.com/20100909/DE102009011282A1.html 

Future perspective: heating with crystal-energy!