Method and apparatus for a non-revealing do-not-contact list system

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United States of America Patent

PATENT NO 8904490
SERIAL NO

13104931

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Abstract

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A method and apparatus for a non-revealing do-not-contact list system in which a do-not-contact list of one-way hashed consumer contact information is provided to a set of one or more entities. The set of entities determine whether certain consumers wish to be contacted with the do-not-contact list without discovering actual consumer contact information.

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Patent Owner(s)

Patent OwnerAddress
UNSPAM LLC850 WEST ADAMS #4E CHICAGO IL 60607 UNITED STATES OF AMERICA

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Prince, Matthew B San Francisco, US 5 84

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