Distributed location based service system | Patent Number 06879838
US 06879838 B2Filled DateApr 20, 2001
Priority DateApr 20, 2001
Publication DateOct 24, 2002
Expiration DateApr 12, 2017
Inventor/ApplicantsPaul John Rankin
Jonathan Charles Griffiths
Paul John Rankin
Jonathan Charles Griffiths
Jonathan Charles Griffiths
Paul John Rankin
Jonathan Charles Griffiths
ExaminesEWART, JAMES D
Art Unit2683
Technology Center2600
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