An electronic book comprising a first housing portion; a second housing portion; a cylindrical spine interposed between the first and second housing portions and pivotally connecting the first housing portion to the second housing portion; a flexible display screen fast with inner faces of the first...http://www.google.fr/patents/US20090236411?utm_source=gb-gplus-shareBrevet US20090236411 - FOLDABLE ELECTRONIC BOOK
Numéro de demande: 12/475,556 Numéro de publication: US 2009/0236411 A1 Date de dépôt: 31 mai 2009 Brevet délivré: US7880688 ( Date de délivrance 1 févr. 2011)
