Connie H. Barnes

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Midland, VA, US

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Patents Grantslast 30 patents

Information Patent Grant
Failed filter arrest indicator and method for use in multiple arres...
- Patent number 7,423,545
- Issue date Sep 9, 2008
- AT&T Corp.
- Connie H. Barnes
- G01 - MEASURING TESTING
Information Patent Grant
Failed filter arrest indicator and method for use in multiple arres...
- Patent number 6,998,994
- Issue date Feb 14, 2006
- AT&T Corp.
- Connie H. Barnes
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
Failed filter arrest indicator and method for use in multiple arres...
- Publication number 20040075556
- Publication date Apr 22, 2004
- Connie H. Barnes
- G01 - MEASURING TESTING