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Six jaw equalizing chuck
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Patent number 6,655,699
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Issue date Dec 2, 2003
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Illinois Tool Works Inc.
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Thomas Michael Grobbel
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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High speed lathe chuck
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Patent number 5,895,059
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Issue date Apr 20, 1999
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Alan C. Patterson
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Power chuck
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Patent number 4,824,126
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Issue date Apr 25, 1989
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Daniel P. Martin
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Power tongs
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Patent number 4,631,987
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Issue date Dec 30, 1986
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David A. Buck
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E21 - EARTH DRILLING MINING
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Protector removal tool
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Patent number 4,262,410
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Issue date Apr 21, 1981
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Royce G. Roberts
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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Tool changer apparatus
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Patent number 4,128,043
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Issue date Dec 5, 1978
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Reinhold Grassl
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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3733080
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Patent number 3,733,080
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Issue date May 15, 1973
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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3622170
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Patent number 3,622,170
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Issue date Nov 23, 1971
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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3423098
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Patent number 3,423,098
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Issue date Jan 21, 1969
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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3198408
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Patent number 3,198,408
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Issue date Aug 3, 1965
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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3129013
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Patent number 3,129,013
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Issue date Apr 14, 1964
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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3064986
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Patent number 3,064,986
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Issue date Nov 20, 1962
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H01 - BASIC ELECTRIC ELEMENTS
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2907141
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Patent number 2,907,141
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Issue date Oct 6, 1959
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H01 - BASIC ELECTRIC ELEMENTS
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2637051
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Patent number 2,637,051
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Issue date May 5, 1953
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2562039
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Patent number 2,562,039
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Issue date Jul 24, 1951
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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2512277
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Patent number 2,512,277
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Issue date Jun 20, 1950
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H01 - BASIC ELECTRIC ELEMENTS
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2484655
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Patent number 2,484,655
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Issue date Oct 11, 1949
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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2442668
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Patent number 2,442,668
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Issue date Jun 1, 1948
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2366506
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Patent number 2,366,506
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Issue date Jan 2, 1945
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B24 - GRINDING POLISHING