The present invention provides apparatus, systems and methods by which information concerning the shelf-life limitations of a particular product item is made available to the purchaser electronically; that the electronically recorded shelf-life limitation information is provided to, or made accessible...http://www.google.fr/patents/US20020016739?utm_source=gb-gplus-shareBrevet US20020016739 - System and method for managing expiration-dated products utilizing an electronic receipt
System and method for managing expiration-dated products utilizing an ...
Numéro de demande: 09/973,303 Numéro de publication: US 2002/0016739 A1 Date de dépôt: 9 oct. 2001 Brevet délivré: US7050991 ( Date de délivrance 23 mai 2006)