The invention is a hand held computer device having a housing including a top or upper surface, a lower surface and finger saddle ridge protruding downwardly from the lower surface. The finger saddle ridge has two finger receiving surfaces and is sized to accommodate a pair of human fingers such that...http://www.google.es/patents/US20060054704?utm_source=gb-gplus-sharePatente US20060054704 - Hand held computer device
Número de solicitud: 10/938,416 Número de publicación: US 2006/0054704 A1 Fecha de presentación: 10 Sep 2004 Patente emitida: US7446753 ( Fecha de emisión 4 Nov 2008)