Nelson Leon Ledbetter

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Batavia, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Multiple channel system for a twisted pair telephone wire local loo...
- Patent number 8,755,406
- Issue date Jun 17, 2014
- AT&T Intellectual Property I, L.P.
- Phillip George Skeba
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Multiple channel system for a twisted pair telephone wire local loo...
- Patent number 8,396,077
- Issue date Mar 12, 2013
- AT&T Intellectual Property I, L.P.
- Phillip George Skeba
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Multiple channel system for a twisted pair telephone wire local loo...
- Patent number 7,664,138
- Issue date Feb 16, 2010
- AT&T Intellectual Property I, L.P.
- Phillip George Skeba
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Multiple channel system for a twisted pair telephone wire local loo...
- Patent number 6,687,261
- Issue date Feb 3, 2004
- Ameritech Corporation
- Phillip George Skeba
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
MULTIPLE CHANNEL SYSTEM FOR A TWISTED PAIR TELEPHONE WIRE LOCAL LOO...
- Publication number 20130155893
- Publication date Jun 20, 2013
- AT&T INTELLECTUAL PROPERTY I, L.P.
- Phillip George Skeba
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MULTIPLE CHANNEL SYSTEM FOR A TWISTED PAIR TELEPHONE WIRE LOCAL LOO...
- Publication number 20100098097
- Publication date Apr 22, 2010
- Phillip George Skeba
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Multiple channel system for a twisted pair telephone wire local loo...
- Publication number 20050123002
- Publication date Jun 9, 2005
- Phillip George Skeba
- H04 - ELECTRIC COMMUNICATION TECHNIQUE