SHEPPARD ENVELOPE RECEIVES GENERAL SERVICES ADMINISTRATION APPROVAL FOR ITS IDENTITY THEFTGUARD™ RFID SHIELDING SLEEVE   Sheppard Envelope Co. of Auburn, MA announced today that it has received approval from the General Services Administration for its IDENTITY THEFTGUARD™ RFID shielding sleeve for Personal Identity Verification (PIV) card devices. This approval provides Sheppard with inclusion in the […]