SULFSTEDE CONSULTING SERVICES, INC

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IRVING, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Heat and energy recovery ventilators and methods of use
- Patent number 7,841,381
- Issue date Nov 30, 2010
- Stirling Technology, Inc.
- Catherine J. Chagnot
- F24 - HEATING RANGES VENTILATING