Melvin E. Shaffer

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Kokomo, IN, US

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Patents Applicationslast 30 patents

Information Patent Application
Air Barrier
- Publication number 20140034274
- Publication date Feb 6, 2014
- Melvin E. Shaffer
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Application
Air barrier
- Publication number 20120003913
- Publication date Jan 5, 2012
- Melvin E. Shaffer
- F24 - HEATING RANGES VENTILATING