The present invention relates to a method for transacting any combination of electronic mail, electronic commerce transactions, and electronic business transactions by way of an electronic commerce terminal operationally related to vending equipment including gas pumps and service stations. The various...http://www.google.es/patents/US6643623?utm_source=gb-gplus-sharePatente US6643623 - Method of transacting an electronic mail, an electronic commerce, and an electronic business transaction by an electronic commerce terminal using a gas pump
Method of transacting an electronic mail, an electronic commerce, and an ...
