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Method and apparatus for utilizing demand information at a vending machine

  • US 20020116286A1
  • Filed: 11/27/2001
  • Published: 08/22/2002
  • Est. Priority Date: 10/09/1997
  • Status: Abandoned Application
First Claim
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1. A method for dispensing a substitute product, comprising:

  • receiving a selection of a first product from a purchaser; and

    if the first product is not available, retrieving a substitute product identifier corresponding to a substitute product; and

    offering the substitute product to the purchaser.

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