Nelson Edwards

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Chattanooga, TN, US

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Patents Grantslast 30 patents

Information Patent Grant
Automatic shutoff valve
- Patent number 7,231,937
- Issue date Jun 19, 2007
- Ralph G. Greene
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC

Patents Applicationslast 30 patents

Information Patent Application
AUTOMATIC SHUTOFF VALVE
- Publication number 20070113900
- Publication date May 24, 2007
- Ralph G. Greene
- E03 - WATER SUPPLY SEWERAGE