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Steel fastener having grooved shank
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Patent number 5,741,104
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Issue date Apr 21, 1998
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Illinois Tool Works Inc.
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Geronimo E. Lat
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Method of forming a head on a fastener
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Patent number 5,533,379
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Issue date Jul 9, 1996
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Illinois Tool Works Inc.
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John Binder
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Apparatus for forming a wire nail
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Patent number 5,154,670
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Issue date Oct 13, 1992
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Illinois Tool Works, Inc.
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Henry A. Sygnator
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Collated nails having tape recesses
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Patent number 5,060,797
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Issue date Oct 29, 1991
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Illinois Tool Works Inc.
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Henry A. Sygnator
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Aluminum roof panel fastener
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Patent number 4,749,322
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Issue date Jun 7, 1988
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Illinois Tool Works Inc.
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Henry A. Sygnator
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Anti-stripping sheet metal screw
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Patent number 4,749,319
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Issue date Jun 7, 1988
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Illinois Tool Works Inc.
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Henry A. Sygnator
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Drill screw and cutters for making same
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Patent number 4,583,898
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Issue date Apr 22, 1986
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Illinois Tool Works Inc.
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Henry A. Sygnator
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Method of manufacturing a drill screw
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Patent number 4,577,359
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Issue date Mar 25, 1986
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Illinois Tool Works Inc.
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Henry A. Sygnator
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Drill point milling machine and method
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Patent number 4,565,475
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Issue date Jan 21, 1986
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Illinois Tool Works Inc.
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Henry A. Sygnator
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Method of manufacturing a drill screw
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Patent number 4,532,663
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Issue date Aug 6, 1985
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Illinois Tool Works Inc.
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Henry A. Sygnator
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Tool gripping fastener
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Patent number 4,457,654
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Issue date Jul 3, 1984
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Illinois Tool Works Inc.
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Henry A. Sygnator
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Drill screw with protective burrs
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Patent number 4,395,173
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Issue date Jul 26, 1983
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Illinois Tool Works Inc.
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Henry A. Sygnator
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Drilling and reaming
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Patent number 3,982,464
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Issue date Sep 28, 1976
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Illinois Tool Works Inc.
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Henry Anton Sygnator
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...