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Investigations

  • US 20090209266A1
  • Filed: 09/30/2005
  • Published: 08/20/2009
  • Est. Priority Date: 09/30/2004
  • Status: Abandoned Application
First Claim
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1. A method of investigating the location of a portable telecommunications device used in making a call, the method comprising:

  • obtaining information on the position of the receiver involved in the call;

    surveying a location by visiting the location and establishing the receiver a portable telecommunications device would use from that location;

    comparing the receiver involved in the call with the receiver that would be used from the surveyed location.

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