Method for providing location-based information services, location-based information services system, and portable electronic device | Patent Number 08559970
US 08559970 B2Filled DateDec 22, 2009
Priority DateDec 22, 2009
Publication DateJun 24, 2010
Expiration DateDec 21, 2029
Inventor/ApplicantsYung-Chao Lee
ExaminesMIZRAHI, DIANE D
Art Unit2645
Technology Center2600
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