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Boring tool with floating double edged knife
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Patent number 4,195,957
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Issue date Apr 1, 1980
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Wilhelm Hegenscheidt Gesellschaft mit beschraenkter Haftung
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Helmut Wittkopp
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Dual cut boring tool assembly
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Patent number 4,105,360
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Issue date Aug 8, 1978
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R. H. Sheppard Co., Inc.
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Dale L. Keller
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Screw-threaded cutting dieheads
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Patent number 3,977,032
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Issue date Aug 31, 1976
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Alfred Herbert Limited
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Denis Alfred Newell
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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3735436
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Patent number 3,735,436
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Issue date May 29, 1973
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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3696454
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Patent number 3,696,454
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Issue date Oct 10, 1972
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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3681802
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Patent number 3,681,802
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Issue date Aug 8, 1972
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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3598499
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Patent number 3,598,499
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Issue date Aug 10, 1971
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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3165768
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Patent number 3,165,768
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Issue date Jan 19, 1965
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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3052900
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Patent number 3,052,900
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Issue date Sep 11, 1962
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2990730
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Patent number 2,990,730
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Issue date Jul 4, 1961
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2968822
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Patent number 2,968,822
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Issue date Jan 24, 1961
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2905028
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Patent number 2,905,028
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Issue date Sep 22, 1959
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2762065
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Patent number 2,762,065
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Issue date Sep 11, 1956
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2739322
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Patent number 2,739,322
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Issue date Mar 27, 1956
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2719988
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Patent number 2,719,988
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Issue date Oct 11, 1955
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2710979
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Patent number 2,710,979
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Issue date Jun 21, 1955
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2571944
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Patent number 2,571,944
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Issue date Oct 16, 1951
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2564827
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Patent number 2,564,827
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Issue date Aug 21, 1951
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2549543
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Patent number 2,549,543
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Issue date Apr 17, 1951
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2533254
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Patent number 2,533,254
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Issue date Dec 12, 1950
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2518898
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Patent number 2,518,898
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Issue date Aug 15, 1950
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2499971
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Patent number 2,499,971
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Issue date Mar 7, 1950
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2333163
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Patent number 2,333,163
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Issue date Nov 2, 1943
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2291919
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Patent number 2,291,919
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Issue date Aug 4, 1942
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2287192
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Patent number 2,287,192
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Issue date Jun 23, 1942
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2283280
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Patent number 2,283,280
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Issue date May 19, 1942
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2247284
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Patent number 2,247,284
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Issue date Jun 24, 1941
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR