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Russell C. Coffin
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Plano, TX, US
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last 30 patents
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Patent Grant
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Patent number
7,533,418
Issue date
May 12, 2009
Nortel Networks Limited
John H. Yoakum
G06 - COMPUTING CALCULATING COUNTING
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Patent Grant
Method and system for switching between two network access technolo...
Patent number
7,177,952
Issue date
Feb 13, 2007
Nortel Networks Limited
Donald L. Wurch
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Internet protocol mobility architecture framework
Patent number
7,079,499
Issue date
Jul 18, 2006
Nortel Networks Limited
Haseeb Akhtar
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Unified directory services architecture for an IP mobility architec...
Patent number
6,769,000
Issue date
Jul 27, 2004
Nortel Networks Limited
Haseeb Akhtar
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Public telephone network, intelligent network, and internet protoco...
Patent number
6,611,533
Issue date
Aug 26, 2003
Nortel Networks Limited
Monling Liao
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Reduced overhead tunneling techniques in a communications network h...
Patent number
6,574,214
Issue date
Jun 3, 2003
Nortel Networks Limited
Mohamed Khalil
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
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Patent Application
Parking location identification
Publication number
20030112154
Publication date
Jun 19, 2003
John H. Yoakum
G07 - CHECKING-DEVICES