×

Vending machine method and apparatus for encouraging participation in a marketing effort

  • US 6,317,649 B1
  • Filed: 08/09/2000
  • Issued: 11/13/2001
  • Est. Priority Date: 09/14/1998
  • Status: Expired due to Term
First Claim
Patent Images

1. A vending machine for dispensing a product to a customer, said vending machine comprising:

  • an input device for receiving a purchase request for said product;

    an output device for presenting at least one question to said customer in response to said purchase request; and

    an item dispenser for dispensing said product and a product reward to said customer for answering said question.

View all claims
  • 10 Assignments
Timeline View
Assignment View
    ×
    ×