A mobile phone includes: a phone body having a stylus holder; a retractable stylus slidably mounted in the holder, the stylus being slidable between a retracted position and an extended writing position, the stylus having a nib including an inkjet printhead; an ink cartridge, housed in the phone body,...http://www.google.com/patents/US8027055?utm_source=gb-gplus-sharePatent US8027055 - Mobile phone with retractable stylus
