Douglas A. Newcomer

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New Market, MD, US

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Patents Grantslast 30 patents

Information Patent Grant
Heating and air conditioning system
- Patent number 8,607,822
- Issue date Dec 17, 2013
- X-Changer, LLC.
- Douglas A. Newcomer
- F24 - HEATING RANGES VENTILATING

Patents Applicationslast 30 patents

Information Patent Application
ENVIRONMENTAL CONTROL SYSTEMS AND METHODS OF CONFIGURING ENVIRONMEN...
- Publication number 20150105011
- Publication date Apr 16, 2015
- XCHANGER COMPANIES, INC.
- DOUGLAS A. NEWCOMER
- F24 - HEATING RANGES VENTILATING
Information Patent Application
HEATING AND AIR CONDITIONING SYSTEM
- Publication number 20110297348
- Publication date Dec 8, 2011
- Douglas A. Newcomer
- F24 - HEATING RANGES VENTILATING
Information Patent Application
ENVIRONMENTAL CONTROL SYSTEMS AND METHODS OF CONFIGURING ENVIRONMEN...
- Publication number 20110281516
- Publication date Nov 17, 2011
- Douglas A. Newcomer
- F24 - HEATING RANGES VENTILATING
Information Patent Application
ENVIRONMENTAL CONTROL SYSTEMS AND METHODS OF CONFIGURING ENVIRONMEN...
- Publication number 20100323607
- Publication date Dec 23, 2010
- Douglas A. Newcomer
- F24 - HEATING RANGES VENTILATING
Information Patent Application
ENVIROMENTAL CONTROL SYSTEMS AND METHODS OF CONFIGURING ENVIRONMENT...
- Publication number 20100258642
- Publication date Oct 14, 2010
- Douglas A. Newcomer
- F24 - HEATING RANGES VENTILATING
Information Patent Application
HEATING AND AIR CONDITIONING SYSTEM
- Publication number 20100071888
- Publication date Mar 25, 2010
- Douglas A. Newcomer
- F24 - HEATING RANGES VENTILATING