US Patent 7883003 Tracking system using personal digital key groups
Patent 7883003 was granted and assigned to Proxense, Llc on February, 2011 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
November 13, 2007
Date of Patent
February 8, 2011
Patent Application Number
11939451
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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