Robert B. Zahm

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Huntington, IN, US

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Patents Grantslast 30 patents

Information Patent Grant
Direct vent fireplace with baffled, directional exhaust and vent ai...
- Patent number 6,463,926
- Issue date Oct 15, 2002
- American Hearth Systems, Inc.
- Christopher L. Flick
- F24 - HEATING RANGES VENTILATING