Donald Derman

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New York, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Heating system and apparatus
- Patent number 7,942,144
- Issue date May 17, 2011
- Donald Derman
- F24 - HEATING RANGES VENTILATING

Patents Applicationslast 30 patents

Information Patent Application
HEATING SYSTEM AND APPARATUS
- Publication number 20090235914
- Publication date Sep 24, 2009
- Donald Derman
- F24 - HEATING RANGES VENTILATING