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Portable electronic authorization system and method

  • US 20050108096A1
  • Filed: 10/20/2004
  • Published: 05/19/2005
  • Est. Priority Date: 09/28/1999
  • Status: Abandoned Application
First Claim
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1. A method, comprising a step of:

  • (a) with a portable electronic device, presenting information identifying a coupon or rebate offer concerning a product or service in a machine-readable format at a point of sale.

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