A method is disclosed for associating pre-printed machine-readable graphical codes with electronically-accessible data. An arbitrary sequence of reference identifiers is generated. Machine-readable graphical codes for the reference identifiers are generated. Labels are then printed that include the machine-readable...http://www.google.es/patents/US7185824?utm_source=gb-gplus-sharePatente US7185824 - System and method for associating pre-printed machine-readable graphical codes with electronically-accessible data
System and method for associating pre-printed machine-readable graphical ...
