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Mike Chan
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Dix Hills, NY, US
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Patents Grants
last 30 patents
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Patent Grant
Packet telephony appliance
Patent number
8,170,007
Issue date
May 1, 2012
AT&T Intellectual Property II, L.P.
Mike Chan
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Packet telephony appliance
Patent number
7,447,195
Issue date
Nov 4, 2008
AT&T Corp.
Mike Chan
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Grant
Packet telephony appliance
Patent number
6,826,177
Issue date
Nov 30, 2004
AT&T Corp.
Mike Chan
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
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Patent Application
PACKET TELEPHONY APPLIANCE
Publication number
20090052439
Publication date
Feb 26, 2009
Mike Chan
H04 - ELECTRIC COMMUNICATION TECHNIQUE