John S. Cain

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Mequon, WI, US

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Patents Grantslast 30 patents

Information Patent Grant
Heat recovery apparatus for use with a non-high efficiency furnace
- Patent number 5,406,934
- Issue date Apr 18, 1995
- Cain Industries, Inc.
- John S. Cain
- F24 - HEATING RANGES VENTILATING