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Cutting tool
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Patent number 12,186,815
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Issue date Jan 7, 2025
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Sumitomo Electric Hardmetal Corp.
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Mayuka Segawa
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Chamfer tool
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Patent number 11,691,207
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Issue date Jul 4, 2023
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Hartmetall-Werkzeugfabrik Paul Horn GmbH
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Peter Paul Schmida
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Multi-flute end mill
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Patent number 11,014,174
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Issue date May 25, 2021
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Hanita Metal Works Ltd
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Roni Abad
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Cutting tool
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Patent number 10,717,134
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Issue date Jul 21, 2020
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Sumitomo Electric Hardmetal Corp.
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Yusuke Matsuda
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B22 - CASTING POWDER METALLURGY
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Interpolated milling methods
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Patent number 10,695,846
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Issue date Jun 30, 2020
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Ford Motor Company
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Michael Joseph Habel
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Radius end mill and cutting work method
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Patent number 9,901,995
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Issue date Feb 27, 2018
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MITSUBISHI HITACHI TOOL ENGINEERING, LTD.
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Makoto Baba
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Cutting tool
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Patent number 9,707,629
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Issue date Jul 18, 2017
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Sumitomo Electric Hardmetal Corp.
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Kazuya Yano
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Ball end mill
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Patent number 6,652,201
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Issue date Nov 25, 2003
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Sumitomo Electric Industries, Ltd.
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Nagatoshi Kunimori
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Center cutting end mill
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Patent number 6,152,657
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Issue date Nov 28, 2000
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Smith International, Inc.
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Scott M. Packer
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Ball end mill
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Patent number 4,934,881
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Issue date Jun 19, 1990
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Mitsubishi Metal Corporation
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Osamu Tsujimura
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Ball end mill
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Patent number 4,280,774
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Issue date Jul 28, 1981
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Kabushikigaisha Nippon Kogu Seisakusho
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Takatsura Hayama
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Ball end mill
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Patent number 4,132,493
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Issue date Jan 2, 1979
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Ryosuke Hosoi
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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3409965
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Patent number 3,409,965
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Issue date Nov 12, 1968
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR