Ronald Harrison Patch

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Hixson, TN, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for control of cooling system air quality and...
- Patent number 8,651,391
- Issue date Feb 18, 2014
- Ronald Harrison Patch
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Method and apparatus for control of cooling system air quality and...
- Patent number 7,918,407
- Issue date Apr 5, 2011
- Ronald Harrison Patch
- F24 - HEATING RANGES VENTILATING

Patents Applicationslast 30 patents

Information Patent Application
Method and apparatus for control of cooling system air quality and...
- Publication number 20100082161
- Publication date Apr 1, 2010
- Ronald Harrison Patch
- F24 - HEATING RANGES VENTILATING
Information Patent Application
Method and apparatus for control of cooling system air quality and...
- Publication number 20090308941
- Publication date Dec 17, 2009
- Ronald Harrison Patch
- F24 - HEATING RANGES VENTILATING