A convenient, effective closure device for use on packages such as those used to enclose games distributed on CDs, DVDs, or similar media. A preprinted edge label is selectively coated with adhesive and affixed to a package in such a manner that the package may not be opened without violating the edge...http://www.google.de/patents/US20050045503?utm_source=gb-gplus-sharePatent US20050045503 - Package closure device
