Systems, methods and apparatuses for determining proximity of communication device | Patent Number 09985952
US 09985952 B2Filled DateSep 23, 2016
Priority DateMar 15, 2013
Publication DateMar 16, 2017
Expiration DateMar 14, 2033
Inventor/ApplicantsSergey Ignatchenko
Dmytro Ivanchykhin
Dmytro Ivanchykhin
ExaminesTHIAW, CATHERINE B
Art Unit2493
Technology Center2400
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