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Electroslag boss and process
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Patent number 4,130,931
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Issue date Dec 26, 1978
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Arcos Corporation
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James E. Norcross
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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3684003
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Patent number 3,684,003
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Issue date Aug 15, 1972
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F24 - HEATING RANGES VENTILATING
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3638978
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Patent number 3,638,978
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Issue date Feb 1, 1972
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E04 - BUILDING
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3620291
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Patent number 3,620,291
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Issue date Nov 16, 1971
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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3262163
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Patent number 3,262,163
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Issue date Jul 26, 1966
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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3192080
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Patent number 3,192,080
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Issue date Jun 29, 1965
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C21 - METALLURGY OF IRON
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3161928
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Patent number 3,161,928
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Issue date Dec 22, 1964
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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3136036
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Patent number 3,136,036
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Issue date Jun 9, 1964
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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3136013
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Patent number 3,136,013
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Issue date Jun 9, 1964
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B22 - CASTING POWDER METALLURGY
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3109280
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Patent number 3,109,280
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Issue date Nov 5, 1963
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G04 - HOROLOGY
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3091825
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Patent number 3,091,825
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Issue date Jun 4, 1963
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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3020608
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Patent number 3,020,608
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Issue date Feb 13, 1962
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B22 - CASTING POWDER METALLURGY
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3007217
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Patent number 3,007,217
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Issue date Nov 7, 1961
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B22 - CASTING POWDER METALLURGY
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3004310
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Patent number 3,004,310
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Issue date Oct 17, 1961
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2957214
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Patent number 2,957,214
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Issue date Oct 25, 1960
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2932863
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Patent number 2,932,863
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Issue date Apr 19, 1960
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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2789004
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Patent number 2,789,004
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Issue date Apr 16, 1957
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E21 - EARTH DRILLING MINING
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2002223
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Patent number 2,002,223
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Issue date May 21, 1935
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2002222
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Patent number 2,002,222
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Issue date May 21, 1935
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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1914878
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Patent number 1,914,878
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Issue date Jun 20, 1933
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1895219
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Patent number 1,895,219
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Issue date Jan 24, 1933
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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1892376
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Patent number 1,892,376
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Issue date Dec 27, 1932
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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1848861
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Patent number 1,848,861
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Issue date Mar 8, 1932
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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1810005
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Patent number 1,810,005
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Issue date Jun 16, 1931
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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1803135
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Patent number 1,803,135
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Issue date Apr 28, 1931
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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1793047
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Patent number 1,793,047
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Issue date Feb 17, 1931
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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1774816
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Patent number 1,774,816
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Issue date Sep 2, 1930
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F27 - FURNACES KILNS OVENS RETORTS
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1771472
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Patent number 1,771,472
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Issue date Jul 29, 1930
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR