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Heat exchanger
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Patent number 4,488,593
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Issue date Dec 18, 1984
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D. Mulock-Bentley and Associates (Proprietary) Limited
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Desmond Mulock-Bentley
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F28 - HEAT EXCHANGE IN GENERAL
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Tube and fin radiator
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Patent number 4,375,832
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Issue date Mar 8, 1983
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U.S. Philips Corporation
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George A. Asselman
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Heat exchanger
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Patent number 4,256,177
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Issue date Mar 17, 1981
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Modine Manufacturing Company
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Zalman P. Saperstein
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F28 - HEAT EXCHANGE IN GENERAL
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3693710
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Patent number 3,693,710
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Issue date Sep 26, 1972
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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2252211
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Patent number 2,252,211
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Issue date Aug 12, 1941
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F28 - HEAT EXCHANGE IN GENERAL
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1974595
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Patent number 1,974,595
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Issue date Sep 25, 1934
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F28 - HEAT EXCHANGE IN GENERAL
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1721285
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Patent number 1,721,285
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Issue date Jul 16, 1929
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F28 - HEAT EXCHANGE IN GENERAL
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1554708
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Patent number 1,554,708
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Issue date Sep 22, 1925
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F28 - HEAT EXCHANGE IN GENERAL
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1426235
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Patent number 1,426,235
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Issue date Aug 15, 1922
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F28 - HEAT EXCHANGE IN GENERAL
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1425146
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Patent number 1,425,146
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Issue date Aug 8, 1922
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F28 - HEAT EXCHANGE IN GENERAL
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1407929
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Patent number 1,407,929
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Issue date Feb 28, 1922
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F28 - HEAT EXCHANGE IN GENERAL
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1363678
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Patent number 1,363,678
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Issue date Dec 28, 1920
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F28 - HEAT EXCHANGE IN GENERAL
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1247917
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Patent number 1,247,917
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Issue date Nov 27, 1917
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F28 - HEAT EXCHANGE IN GENERAL
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1242652
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Patent number 1,242,652
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Issue date Oct 9, 1917
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F28 - HEAT EXCHANGE IN GENERAL
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1053269
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Patent number 1,053,269
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Issue date Feb 18, 1913
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F28 - HEAT EXCHANGE IN GENERAL
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898238
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Patent number 898,238
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Issue date Sep 8, 1908
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F28 - HEAT EXCHANGE IN GENERAL