A portable game and digital communication device. The communication device comprises first and second side housings, which include a plurality of keys for video gaming controls. Additionally, the first and second side housings are rotatable about a central axis of the device, such the each of first and...http://www.google.fr/patents/US20050113155?utm_source=gb-gplus-shareBrevet US20050113155 - Portable game and communication device
Numéro de demande: 10/945,205 Numéro de publication: US 2005/0113155 A1 Date de dépôt: 20 sept. 2004 Brevet délivré: US7492606 ( Date de délivrance 17 févr. 2009)
