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Combined boring and threading tool
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Patent number 4,066,380
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Issue date Jan 3, 1978
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The Valeron Corporation
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Hans Werner Beck
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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3676651
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Patent number 3,676,651
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Issue date Jul 11, 1972
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G05 - CONTROLLING REGULATING
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3673919
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Patent number 3,673,919
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Issue date Jul 4, 1972
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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3463050
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Patent number 3,463,050
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Issue date Aug 26, 1969
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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3241452
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Patent number 3,241,452
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Issue date Mar 22, 1966
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H01 - BASIC ELECTRIC ELEMENTS
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2896510
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Patent number 2,896,510
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Issue date Jul 28, 1959
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2382662
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Patent number 2,382,662
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Issue date Aug 14, 1945
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2381051
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Patent number 2,381,051
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Issue date Aug 7, 1945
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B24 - GRINDING POLISHING
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2309313
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Patent number 2,309,313
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Issue date Jan 26, 1943
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2090992
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Patent number 2,090,992
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Issue date Aug 24, 1937
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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1890399
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Patent number 1,890,399
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Issue date Dec 6, 1932
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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1745750
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Patent number 1,745,750
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Issue date Feb 4, 1930
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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1687260
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Patent number 1,687,260
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Issue date Oct 9, 1928
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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1687259
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Patent number 1,687,259
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Issue date Oct 9, 1928
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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1400761
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Patent number 1,400,761
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Issue date Dec 20, 1921
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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1351884
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Patent number 1,351,884
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Issue date Sep 7, 1920
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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1346928
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Patent number 1,346,928
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Issue date Jul 20, 1920
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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1339223
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Patent number 1,339,223
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Issue date May 4, 1920
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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1274502
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Patent number 1,274,502
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Issue date Aug 6, 1918
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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1252763
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Patent number 1,252,763
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Issue date Jan 8, 1918
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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1200046
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Patent number 1,200,046
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Issue date Oct 3, 1916
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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920606
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Patent number 920,606
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Issue date May 4, 1909
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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782237
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Patent number 782,237
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Issue date Feb 14, 1905
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR