Inventionshow
Inpex, the invention new product exposition, is the largest invention trade show in america and perhaps the world. produced by inventhelp, the show provides a forum for inventors, entrepreneurs and intellectual property owners to exhibit their inventions, share ideas and make contacts with companies interested in new products.
http://www.inventionshow.com
Salon des Inventions Genève
Le plus grand marche d'inventions au monde
http://www.inventions-geneva.ch