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Drill bit
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Patent number 11,123,809
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Issue date Sep 21, 2021
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BLACK & DECKER INC.
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Juri Schatz
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Drilling tool
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Patent number 10,695,951
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Issue date Jun 30, 2020
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Robert Bosch GmbH
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Rainer Widmann
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Bit for a rotary drill
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Patent number 9,724,763
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Issue date Aug 8, 2017
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Element Six Limited
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John James Barry
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Drill
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Patent number 9,718,136
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Issue date Aug 1, 2017
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DreBo Werkzeugfabrik GmbH
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Martin Stumpp
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Drill bit
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Patent number 9,662,803
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Issue date May 30, 2017
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Heller Tools GmbH
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Rainer Lampe
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Twist drill
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Patent number 9,539,653
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Issue date Jan 10, 2017
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Walter AG
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Siegfried Rogalla
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Rotary cutter
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Patent number 9,333,565
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Issue date May 10, 2016
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SOMTA TOOLS (PTY) LTD.
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Vladimir Volokh
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Drill
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Patent number 8,876,445
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Issue date Nov 4, 2014
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Mitsubishi Materials Corporation
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Kazuya Yanagida
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Twist drill
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Patent number 5,350,261
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Issue date Sep 27, 1994
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Mitsubishi Materials Corporation
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Sueji Takaya
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Drill
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Patent number 4,561,813
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Issue date Dec 31, 1985
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M. A. Ford Mfg. Co., Inc.
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Lee A. Schneider
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR