Ledbetter; Nelson Leon
Patent Applications and Registrations
Patent applications and USPTO patent grants for Ledbetter; Nelson Leon.The latest application filed is for "multiple channel system for a twisted pair telephone wire local loop system".
- Ledbetter; Nelson Leon - Batavia IL
| Patent | Date |
|---|---|
| Multiple channel system for a twisted pair telephone wire local loop system Grant 8,755,406 - Skeba , et al. June 17, 2 | 2014-06-17 |
| Multiple Channel System For A Twisted Pair Telephone Wire Local Loop System App 20130155893 - Skeba; Phillip George ; et al. | 2013-06-20 |
| Multiple channel system for a twisted pair telephone wire local loop system Grant 8,396,077 - Skeba , et al. March 12, 2 | 2013-03-12 |
| Multiple Channel System For A Twisted Pair Telephone Wire Local Loop System App 20100098097 - Skeba; Phillip George ; et al. | 2010-04-22 |
| Multiple channel system for a twisted pair telephone wire local loop system Grant 7,664,138 - Skeba , et al. February 16, 2 | 2010-02-16 |
| Multiple channel system for a twisted pair telephone wire local loop system App 20050123002 - Skeba, Phillip George ; et al. | 2005-06-09 |
| Multiple channel system for a twisted pair telephone wire local loop system Grant 6,687,261 - Skeba , et al. February 3, 2 | 2004-02-03 |
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