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Center locator for hole cutter
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Patent number 9,925,600
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Issue date Mar 27, 2018
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Yao-Hsien Hsu
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Drilling device with an extension arm
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Patent number 5,609,444
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Issue date Mar 11, 1997
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Black & Decker Inc.
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Giovanni Valsecchi
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Utility pole drill guide
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Patent number 4,030,854
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Issue date Jun 21, 1977
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Pacific Utilities Supply Co.
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Roland K. Grannis
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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3841417
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Patent number 3,841,417
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Issue date Oct 15, 1974
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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3775857
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Patent number 3,775,857
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Issue date Dec 4, 1973
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B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
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3148562
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Patent number 3,148,562
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Issue date Sep 15, 1964
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2849901
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Patent number 2,849,901
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Issue date Sep 2, 1958
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2674906
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Patent number 2,674,906
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Issue date Apr 13, 1954
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2661929
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Patent number 2,661,929
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Issue date Dec 8, 1953
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2368511
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Patent number 2,368,511
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Issue date Jan 30, 1945
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2341418
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Patent number 2,341,418
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Issue date Feb 8, 1944
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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1755255
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Patent number 1,755,255
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Issue date Apr 22, 1930
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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1719003
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Patent number 1,719,003
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Issue date Jul 2, 1929
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR