System and method for determining and/or transmitting and/or establishing communication with a mobile device user for providing, for example, concessions, tournaments, competitions, matching, reallocating, upgrading, selling tickets, other event admittance means, goods and/or services

  • US 7,280,975 B1
  • Filed: 01/05/2005
  • Issued: 10/09/2007
  • Est. Priority Date: 07/24/2000
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