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Hole drilling process, and drilling tool
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Patent number 9,321,110
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Issue date Apr 26, 2016
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Mitsubishi Heavy Industries, Ltd.
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Yoshitake Kasubata
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Drill alignment tool
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Patent number 8,757,938
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Issue date Jun 24, 2014
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Julian Ferreras
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Boring device
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Patent number 7,510,357
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Issue date Mar 31, 2009
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Shonan Gosei-Jushi Seisakusho K.K.
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Takao Kamiyama
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Boring tool
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Patent number 4,419,032
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Issue date Dec 6, 1983
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Thomas Flowers
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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3741671
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Patent number 3,741,671
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Issue date Jun 26, 1973
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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3667855
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Patent number 3,667,855
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Issue date Jun 6, 1972
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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3658434
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Patent number 3,658,434
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Issue date Apr 25, 1972
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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3635571
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Patent number 3,635,571
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Issue date Jan 18, 1972
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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3352183
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Patent number 3,352,183
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2873632
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Patent number 2,873,632
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2800670
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Patent number 2,800,670
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Issue date Jul 30, 1957
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2790469
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Patent number 2,790,469
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Issue date Apr 30, 1957
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2780947
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Patent number 2,780,947
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Issue date Feb 12, 1957
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2760213
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Patent number 2,760,213
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Issue date Aug 28, 1956
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2693208
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Patent number 2,693,208
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B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
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2574260
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Patent number 2,574,260
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Issue date Nov 6, 1951
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2561914
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Patent number 2,561,914
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Issue date Jul 24, 1951
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2491538
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Patent number 2,491,538
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2439492
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Patent number 2,439,492
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Issue date Apr 13, 1948
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2300046
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Patent number 2,300,046
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Issue date Oct 27, 1942
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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2287914
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Patent number 2,287,914
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Issue date Jun 30, 1942
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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1517987
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Patent number 1,517,987
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1506484
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Patent number 1,506,484
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Issue date Aug 26, 1924
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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1209960
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Patent number 1,209,960
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Issue date Dec 26, 1916
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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973136
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Patent number 973,136
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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969632
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Patent number 969,632
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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836212
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Patent number 836,212
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR