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Hot-box signalling devices
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Patent number 4,501,006
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Issue date Feb 19, 1985
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Michael Korenberg
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Railroad hotbox indicator
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Patent number 4,119,284
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Issue date Oct 10, 1978
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Norman J. Belmont
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Hotbox detector
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Patent number 4,068,811
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Issue date Jan 17, 1978
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General Electric Company
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Paul W. Caulier
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G01 - MEASURING TESTING
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Hot box detector system
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Patent number 3,994,458
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Issue date Nov 30, 1976
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Flynn, Max and Albright
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Kenneth W. Winters
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B61 - RAILWAYS
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3248539
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Patent number 3,248,539
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Issue date Apr 26, 1966
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B61 - RAILWAYS
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3246934
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Patent number 3,246,934
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Issue date Apr 19, 1966
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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3062176
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Patent number 3,062,176
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Issue date Nov 6, 1962
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G01 - MEASURING TESTING
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2995526
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Patent number 2,995,526
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Issue date Aug 8, 1961
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C06 - EXPLOSIVES MATCHES
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2973429
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Patent number 2,973,429
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Issue date Feb 28, 1961
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B61 - RAILWAYS
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2952238
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Patent number 2,952,238
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Issue date Sep 13, 1960
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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2939780
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Patent number 2,939,780
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Issue date Jun 7, 1960
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C06 - EXPLOSIVES MATCHES
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2897775
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Patent number 2,897,775
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Issue date Aug 4, 1959
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B61 - RAILWAYS
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2859069
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Patent number 2,859,069
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Issue date Nov 4, 1958
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B61 - RAILWAYS
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2820755
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Patent number 2,820,755
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Issue date Jan 21, 1958
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C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
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2785296
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Patent number 2,785,296
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Issue date Mar 12, 1957
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B60 - VEHICLES IN GENERAL
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2726943
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Patent number 2,726,943
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Issue date Dec 13, 1955
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C06 - EXPLOSIVES MATCHES
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2726944
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Patent number 2,726,944
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Issue date Dec 13, 1955
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C06 - EXPLOSIVES MATCHES
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2724359
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Patent number 2,724,359
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Issue date Nov 22, 1955
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B61 - RAILWAYS
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2711709
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Patent number 2,711,709
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Issue date Jun 28, 1955
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B61 - RAILWAYS
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2655166
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Patent number 2,655,166
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Issue date Oct 13, 1953
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B61 - RAILWAYS
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2641689
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Patent number 2,641,689
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Issue date Jun 9, 1953
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B61 - RAILWAYS
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2634058
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Patent number 2,634,058
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Issue date Apr 7, 1953
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B61 - RAILWAYS
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2588204
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Patent number 2,588,204
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Issue date Mar 4, 1952
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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2566494
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Patent number 2,566,494
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Issue date Sep 4, 1951
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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2556042
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Patent number 2,556,042
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Issue date Jun 5, 1951
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B61 - RAILWAYS
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2553814
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Patent number 2,553,814
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Issue date May 22, 1951
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B61 - RAILWAYS
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2553263
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Patent number 2,553,263
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Issue date May 15, 1951
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G06 - COMPUTING CALCULATING COUNTING
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2552271
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Patent number 2,552,271
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Issue date May 8, 1951
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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2528817
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Patent number 2,528,817
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Issue date Nov 7, 1950
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...