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Chuck with internal nut
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Patent number 7,455,303
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Issue date Nov 25, 2008
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The Jacobs Chuck Manufacturing Company
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Gregg Draudt
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Drill chuck tool bit locator
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Patent number 7,243,922
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Issue date Jul 17, 2007
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Black & Decker Inc.
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Louis A Gibbons
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Locking chuck
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Patent number 6,488,287
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Issue date Dec 3, 2002
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Power Tool Holders Incorporated
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Benjamin A. Gaddis
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Locking chuck
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Patent number 6,241,259
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Issue date Jun 5, 2001
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Power Tool Holders, Incorporated
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Benjamin A. Gaddis
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Locking chuck
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Patent number 6,196,554
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Issue date Mar 6, 2001
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Power Tool Holders Incorporated
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Benjamin A. Gaddis
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Lockable drill chuck
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Patent number 5,464,230
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Issue date Nov 7, 1995
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Gunter H. Rohm
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Drill chuck
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Patent number 5,286,041
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Issue date Feb 15, 1994
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Gunter H. Rohm
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Drill chuck
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Patent number 5,236,206
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Issue date Aug 17, 1993
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Gunter H. Rohm
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Keyless chuck
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Patent number 5,215,317
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Issue date Jun 1, 1993
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Jacobs Chuck Technology Corp.
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Paul T. Jordan
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Self-tightening drill chuck
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Patent number 5,171,030
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Issue date Dec 15, 1992
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Gunter Rohm
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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-
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Drill chuck with brake ring
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Patent number 4,913,449
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Issue date Apr 3, 1990
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Gunter Horst Rohm
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Selftightening drill chuck
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Patent number 4,836,563
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Issue date Jun 6, 1989
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Gunter H. Rohm
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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3545776
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Patent number 3,545,776
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Issue date Dec 8, 1970
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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3506277
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Patent number 3,506,277
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Issue date Apr 14, 1970
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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3325166
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Patent number 3,325,166
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Issue date Jun 13, 1967
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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3237955
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Patent number 3,237,955
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Issue date Mar 1, 1966
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2075031
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Patent number 2,075,031
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Issue date Mar 30, 1937
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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1885790
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Patent number 1,885,790
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Issue date Nov 1, 1932
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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1750023
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Patent number 1,750,023
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Issue date Mar 11, 1930
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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1668317
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Patent number 1,668,317
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Issue date May 1, 1928
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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1364361
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Patent number 1,364,361
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Issue date Jan 4, 1921
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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1352951
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Patent number 1,352,951
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Issue date Sep 14, 1920
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR