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The R&D Dept.: Local patents for 12.22.10

Michael Schwartz December 22, 2010 0

Heat exchanger for a log-burning fireplace
Patent 7,854,223
A heat recovery apparatus for an indoor fireplace includes a plenum chamber of low profile box-like construction having a front extremity with a portion that permits forced entry of air and a horizontally spaced portion that permits emergence of heated air. A divider wall centered within








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