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R. Michael Schafer
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Granger, IN, US
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Patents Grants
last 30 patents
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Patent Grant
Method and apparatus for replacing lost PSTN data in a packet network
Patent number
7,940,747
Issue date
May 10, 2011
Tellabs Operations, Inc.
John B. Kenney
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for replacing lost PSTN data in a packet network
Patent number
7,003,000
Issue date
Feb 21, 2006
Tellabs Operations, Inc.
John B. Kenney
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for replacing lost PSTN data in a packet network
Patent number
6,208,618
Issue date
Mar 27, 2001
Tellabs Operations, Inc.
John B. Kenney
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Patents Applications
last 30 patents
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Patent Application
Method and apparatus for replacing lost PSTN data in a packet network
Publication number
20060077953
Publication date
Apr 13, 2006
John B. Kenney
H04 - ELECTRIC COMMUNICATION TECHNIQUE