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Self-reversing tapping system
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Patent number 8,162,573
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Issue date Apr 24, 2012
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The Tapmatic Corporation
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Allan S. Johnson
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Tapping tool
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Patent number 7,914,241
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Issue date Mar 29, 2011
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Mate Precision Tooling Inc.
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Gregory S. Ferry
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Thread cutter
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Patent number 6,019,552
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Issue date Feb 1, 2000
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Emuge-Werk Richard Glimpel Fabrik fuer Praezisionswerkzeuge vormals Moschkau...
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Ruediger Watzke
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Tapper mechanism
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Patent number 5,538,371
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Issue date Jul 23, 1996
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Daishowa Seiki Co., Ltd.
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Haruaki Kubo
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Threading apparatus
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Patent number 5,263,799
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Issue date Nov 23, 1993
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Otto Bilz, Werkzeugfabrik GmbH & Co.
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Matthias Blessing
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Tapping attachments
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Patent number 5,203,651
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Issue date Apr 20, 1993
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Tapmatic Corporation
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Allan S. Johnson
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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4705437
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Patent number 4,705,437
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Issue date Nov 10, 1987
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Threading attachment
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Patent number 4,277,209
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Issue date Jul 7, 1981
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Erickson Tool Company
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Milton L. Benjamin
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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3831214
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Patent number 3,831,214
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Issue date Aug 27, 1974
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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3717892
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Patent number 3,717,892
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Issue date Feb 27, 1973
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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3350731
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Patent number 3,350,731
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Issue date Nov 7, 1967
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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3323622
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Patent number 3,323,622
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Issue date Jun 6, 1967
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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3191449
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Patent number 3,191,449
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Issue date Jun 29, 1965
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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3165947
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Patent number 3,165,947
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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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3144783
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Patent number 3,144,783
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Issue date Aug 18, 1964
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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3078735
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Patent number 3,078,735
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Issue date Feb 26, 1963
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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3075398
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Patent number 3,075,398
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Issue date Jan 29, 1963
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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3061849
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Patent number 3,061,849
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Issue date Nov 6, 1962
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR