A case for an electronic device protects and extends the battery life of the electronic device. The case has a lower case portion and an upper case portion, which assemble together to protect the top, side, and bottom edges of the electronic device. The lower case portion includes a battery to extend...http://www.google.fr/patents/US20100124040?utm_source=gb-gplus-shareBrevet US20100124040 - PORTABLE ELECTRONIC DEVICE CASE WITH BATTERY
Numéro de demande: 12/580,977 Numéro de publication: US 2010/0124040 A1 Date de dépôt: 16 oct. 2009 Brevet délivré: US7782610 ( Date de délivrance 24 août 2010)
