Touch sensitive screen information apparatus that includes close proximity or near distance radio frequency field communication | Patent Publication Number 20100227550

US 20100227550 A1
Patent NumberUS 09008572 B2
Application Number12783504
Filled DateMay 19, 2010
Priority DateJan 19, 2001
Publication DateSep 9, 2010
Original AssigneeFlexiworld Technologies
Current AssigneeFlexiworld Technologies
Inventor/ApplicantsChristina Ying Liu
William Ho Chang
William Ho CHANG
Christina Ying LIU
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