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Heat emitting radiator
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Patent number 11,067,295
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Issue date Jul 20, 2021
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Ray King
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F28 - HEAT EXCHANGE IN GENERAL
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1542267
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Patent number 1,542,267
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Issue date Jun 16, 1925
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F24 - HEATING RANGES VENTILATING
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1485178
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Patent number 1,485,178
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Issue date Feb 26, 1924
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F24 - HEATING RANGES VENTILATING
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1472955
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Patent number 1,472,955
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Issue date Nov 6, 1923
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F24 - HEATING RANGES VENTILATING
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1356040
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Patent number 1,356,040
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Issue date Oct 19, 1920
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F24 - HEATING RANGES VENTILATING