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3726183
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Patent number 3,726,183
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Issue date Apr 10, 1973
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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3601005
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Patent number 3,601,005
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Issue date Aug 24, 1971
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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3426645
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Patent number 3,426,645
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Issue date Feb 11, 1969
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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3159083
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Patent number 3,159,083
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Issue date Dec 1, 1964
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2844074
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Patent number 2,844,074
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Issue date Jul 22, 1958
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2447446
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Patent number 2,447,446
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Issue date Aug 17, 1948
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2401803
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Patent number 2,401,803
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Issue date Jun 11, 1946
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2068890
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Patent number 2,068,890
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Issue date Jan 26, 1937
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2050127
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Patent number 2,050,127
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Issue date Aug 4, 1936
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR