Fred Evans SR.

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Stevensville, MD, US

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Patents Grantslast 30 patents

Information Patent Grant
Vertical heat exchange unit
- Patent number 6,354,103
- Issue date Mar 12, 2002
- Fred Evans
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Environmentally adaptive VAC exterior heat exchange unit
- Patent number 6,085,536
- Issue date Jul 11, 2000
- Fred Evans
- F24 - HEATING RANGES VENTILATING

Patents Applicationslast 30 patents

Information Patent Application
Vertical heat exchange unit
- Publication number 20010029745
- Publication date Oct 18, 2001
- Fred Evans
- F28 - HEAT EXCHANGE IN GENERAL