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Method and apparatus for transferring and processing transaction data

  • US 8,714,443 B2
  • Filed: 11/27/2007
  • Issued: 05/06/2014
  • Est. Priority Date: 05/27/1999
  • Status: Active Grant
First Claim
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1. A method of processing a return transaction using a computerized apparatus, the method comprising:

  • reading using said computerized apparatus a pre-existing receipt having a first symbol associated therewith;

    wherein said first symbol comprises an encrypted version of all of said transaction data needed to process said return transaction by said computerized apparatus; and

    wherein encryption of said first symbol comprises public key encryption thereof into a non-human readable format only readable by said computerized apparatus.

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