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WALTER K. HAZZARD
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PORTLAND, OR, US
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last 30 patents
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Patent Grant
Method and system for validating and distributing network presence...
Patent number
6,463,471
Issue date
Oct 8, 2002
Intel Corporation
Christian Dreke
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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last 30 patents
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Patent Application
METHOD FOR DISTRIBUTING AND MAINTAINING NETWORK PRESENCE INFORMATION
Publication number
20020035594
Publication date
Mar 21, 2002
CHRISTIAN DREKE
H04 - ELECTRIC COMMUNICATION TECHNIQUE