Positioning and proximity warning method and system thereof for vehicle | Patent Publication Number 20020069019

US 20020069019 A1
Patent NumberUS 06480789 B2
Application Number9730411
Filled DateDec 4, 2000
Priority DateDec 4, 2000
Publication DateJun 6, 2002
Original AssigneeAmerican Gnc Corporation
Current AssigneeAmerican Gnc Corporation
Inventor/ApplicantsChing-Fang Lin
Ching-Fang Lin
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