In a system and method for resolving transaction inquiries a database containing information relating to a merchant, including merchant contact information, and information relating to a transaction involving the merchant, including transaction date and location is coupled to a processor. The processor...http://www.google.com.hk/patents/US20040215543?utm_source=gb-gplus-share專利 US20040215543 - Systems and methods for providing enhanced merchant contact detail for credit and debit card transactions
