Anonymous credit card transactions

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 5420926
SERIAL NO

08177836

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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Techniques for performing credit-card transactions without disclosing the subject matter of the transaction to the institution providing the credit card. The techniques include the use of a communications exchange so that information and funds may be transferred without the destination for the transfer knowing the source of the information or funds and the use of public key encryption so that each party to the transaction and the communications exchange can read only the information the party or the exchange needs for its role in the transaction. Also disclosed are techniques for authenticating a card holder by receiving personal information from the card holder, using the information to ask the card holder one or more questions, and using the answers to authenticate the card holder.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
AT&T IPM CORP.MURRAY HILL, NJ997
CITICORPNEW YORK, NY7

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Low, Steven H Bridgewater, NJ 11 543
Maxemchuk, Nicholas F Mountainside, NJ 18 1616
Paul, Sanjoy Atlantic Highlands, NJ 101 2791

Cited Art Landscape

Patent Info (Count) # Cites Year
 
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* Cited By Examiner

Patent Citation Ranking

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Patent Info (Count) # Cites Year
 
Other [Check patent profile for assignment information] (19)
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* Cited By Examiner