Verification of a portable consumer device in an offline environment

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 8712892
APP PUB NO 20130138565A1
SERIAL NO

13749511

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A portable consumer device includes a base, and a computer readable medium on the base. The computer readable medium comprises code for an issuer verification value and a supplemental verification value. The issuer verification value is used by an issuer to verify that the portable consumer device is authentic in an on-line transaction and the supplemental verification value is used to verify that the portable consumer device is authentic in an off-line transaction.

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Patent Owner(s)

  • VISA U.S.A. INC.

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Dixon, Philip B San Diego, US 27 1127
El-Awady, Khalid Mountain View, US 27 1115
Hammad, Ayman Pleasanton, US 317 20338

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