GET Group and Graphic Security Systems Corporation Announce the First Passport Printer Capable of Personalizing Secure Travel Documents Using GSSC's Variable Stealth SI(R) Security Feature WALTHAM, MA--(Marketwire - Sep 18, 2012) -  GET Group (GET) and Graphic Security Systems Corporation (GSSC) are pleased to announce that the GET/Toppan eP600 ePassport System (eP600) is the...