Richard G. Bernal

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Summerland, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Air duct damper
- Patent number 5,921,277
- Issue date Jul 13, 1999
- Richard G. Bernal
- F24 - HEATING RANGES VENTILATING

Patents Applicationslast 30 patents

Information Patent Application
Damper for an air duct
- Publication number 20090093209
- Publication date Apr 9, 2009
- Richard G. Bernal
- F24 - HEATING RANGES VENTILATING