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Vertical furnace
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Charles E. MacArthur
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F24 - HEATING RANGES VENTILATING
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2086621
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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2062357
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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2057622
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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2011093
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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1999442
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Patent number 1,999,442
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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1983059
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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1977951
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Patent number 1,977,951
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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1974205
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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1948699
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F24 - HEATING RANGES VENTILATING
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1743129
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Patent number 1,743,129
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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1391381
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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1152732
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F24 - HEATING RANGES VENTILATING
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330885
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F24 - HEATING RANGES VENTILATING