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3757638
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Patent number 3,757,638
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Issue date Sep 11, 1973
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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3226930
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Patent number 3,226,930
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Issue date Jan 4, 1966
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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3044266
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Patent number 3,044,266
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Issue date Jul 17, 1962
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2972864
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Patent number 2,972,864
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Issue date Feb 28, 1961
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2928244
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Patent number 2,928,244
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Issue date Mar 15, 1960
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2924939
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Patent number 2,924,939
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Issue date Feb 16, 1960
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2697383
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Patent number 2,697,383
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Issue date Dec 21, 1954
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2697500
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Patent number 2,697,500
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Issue date Dec 21, 1954
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2453309
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Patent number 2,453,309
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Issue date Nov 9, 1948
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2371553
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Patent number 2,371,553
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Issue date Mar 13, 1945
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2345920
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Patent number 2,345,920
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Issue date Apr 4, 1944
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2141429
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Patent number 2,141,429
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Issue date Dec 27, 1938
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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1877091
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Patent number 1,877,091
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Issue date Sep 13, 1932
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR