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Andrew B. Lundgren
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Thornton, CO, US
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Patents Grants
last 30 patents
Information
Patent Grant
Voice call coordinator
Patent number
7,519,074
Issue date
Apr 14, 2009
Level 3 Communications, LLC
John Thomas Ward
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
VoIP call through tester
Patent number
7,436,936
Issue date
Oct 14, 2008
Level 3 Communications, LLC
Richard D. Terpstra
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
VoIP call through tester
Publication number
20060188080
Publication date
Aug 24, 2006
Level 3 Communications, Inc.
Richard D. Terpstra
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Voice call coordinator
Publication number
20060187850
Publication date
Aug 24, 2006
Level 3 Communications, Inc.
John Thomas Ward
H04 - ELECTRIC COMMUNICATION TECHNIQUE