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  • US 7,646,300 B2
  • Filed: 10/27/2004
  • Issued: 01/12/2010
  • Est. Priority Date: 10/27/2004
  • Status: Active Grant
First Claim
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1. A method for creating a hierarchy of radio frequency identification (RFID) tags, comprising:

  • associating a first RFID tag with an individual object, the first RFID tag storing identification information about the object with which it is associated;

    and storing in a second RFID tag information about the first RFID tag;

    wherein a reader receives and uses the information from the second RFID tag to retrieve data directly from the first RFID tag.

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