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Coal-fired steam locomotive
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Patent number 4,425,763
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Issue date Jan 17, 1984
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American Coal Enterprises, Inc.
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Livio D. Porta
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B61 - RAILWAYS
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2496041
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Patent number 2,496,041
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Issue date Jan 31, 1950
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B61 - RAILWAYS
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2185964
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Patent number 2,185,964
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Issue date Jan 2, 1940
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B61 - RAILWAYS
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2153359
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Patent number 2,153,359
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Issue date Apr 4, 1939
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B61 - RAILWAYS
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1941885
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Patent number 1,941,885
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Issue date Jan 2, 1934
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B61 - RAILWAYS
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1924341
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Patent number 1,924,341
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Issue date Aug 29, 1933
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B61 - RAILWAYS
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1864286
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Patent number 1,864,286
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Issue date Jun 21, 1932
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B61 - RAILWAYS
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1724357
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Patent number 1,724,357
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Issue date Aug 13, 1929
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B61 - RAILWAYS
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1617057
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Patent number 1,617,057
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Issue date Feb 8, 1927
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B61 - RAILWAYS
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1572153
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Patent number 1,572,153
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Issue date Feb 9, 1926
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B61 - RAILWAYS