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Original Assignee Visa International Service Association Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.) ( en Inventor Ayman Hammad Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Active, expires Application number US14/681,668 Other versions US20150317625A1
#NOVA ENCOMPASS CREDIT CARD READER AND WRITER PDF#
Google Patents Verification of portable consumer devicesÄownload PDF Info Publication number US9904919B2 US9904919B2 US14/681,668 US201514681668A US9904919B2 US 9904919 B2 US9904919 B2 US 9904919B2 US 201514681668 A US201514681668 A US 201514681668A US 9904919 B2 US9904919 B2 US 9904919B2 Authority US United States Prior art keywords token verification computer entity validation Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google Patents US9904919B2 - Verification of portable consumer devices US9904919B2 - Verification of portable consumer devices