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| Number | Title | Issue Date |
| 7438513 | Ribbed fastener A fastener is provided comprising a shank having a head at one end and a tapered tip at the other end, and a threaded section having a helical thread on the shank. The fastener also comprises, on the head, side surfaces for engagement with a driving tool, and wherei... | 10/21/2008 |
| 7404769 | Spiral drive fastener with engagement ramp The fastener of this application is designed to facilitate the insertion of rotating power driven tools into the fastener recess. The recess of this fastener generally uses spirally configured driving surfaces and is formed in a counterbore in the upper surface of t... | 07/29/2008 |
| 7293949 | Spiral drive fastener with friction engageable surface Interference surfaces are constructed on inner transition surfaces between wings of a fastener having a spiral recess. A portion of the transition surface is tapered to provide the interference. A standard driver for a spiral recess will engage the interference surf... | 11/13/2007 |
| 7293947 | Screw having a knurled portion A fastener for securing particle or bulge producing materials, a method of manufacturing the fastener, and a method of using the fastener are provided. The fastener has a thread on a shank, and a knurled portion disposed between the thread and a head. The fastener a... | 11/13/2007 |
| 7255522 | Spiral drive fastener with engagement ramp The fastener of this application is designed to facilitate the insertion of rotating power driven tools into the fastener recess. The recess of this fastener generally uses spirally configured driving surfaces and is formed in a counterbore in the upper surface of t... | 08/14/2007 |
| 7100773 | Product packaging with display A package for a plurality of products, having a closed container having a container wall, the wall defining a cavity for holding the products, and the wall having a product holder adapted to hold at least one selected product in a position visible from outside the c... | 09/05/2006 |
| 6941635 | Screw for remnant-producing alternative lumber material A fastener for securing remnant-producing materials, a method of manufacturing the fastener, and a method of using the fastener are provided. The fastener is configured such that in use any remnants or slivers produced by rotation of the fastener are forcibly driven... | 09/13/2005 |
| 6890139 | Fastener having recess useable with multiple drivers and method of manufacture A fastener is described having a head formed with a recess which accommodates a square head driver, symmetrical drivers, such as PHILLIPS™ style drivers, asymmetrical style cross head drivers, such as POZIDRIV® style drivers, and combination square and cross driv... | 05/10/2005 |
| 6786827 | Punch and manufacturing method for recessed head fastener Recessed head fasteners are provided with a configuration by which the force applied by the blades of the driver to the recessed wings is applied at the radially outer regions of the wings. The wings of the fastener recess may be provided with torque pads at the out... | 09/07/2004 |
| 6666638 | Deck screw having multiple threaded sections A fastener for securing remnant-producing materials, a method of manufacturing the fastener, and a method of using the fastener are provided. The fastener is configured such that in use any remnants or slivers produced by rotation of the fastener are forc... | 12/23/2003 |
| 6609862 | Tool bit A drill bit has a chuck engaging shank portion having a geometric cross-sectional shape; a plurality of projections formed on at least a part of at least one of said surfaces; said projections (a) varying in height across said surface, and (b) engaging an... | 08/26/2003 |
| 6601482 | Recessed head fastener and driver systems Recessed head fasteners are provided with a configuration by which the force applied by the blades of the driver to the recessed wings is applied at the radially outer regions of the wings. The wings of the fastener recess may be provided with torque pads... | 08/05/2003 |
| 6367358 | Driver for threaded fasteners with spiral drive A spiral drive system for threaded fasteners includes driver-engageable surfaces on the head end of the fastener in which at least some of the driver-engageable surfaces are defined by a spiral segment configured to maximize torque transmission while spre... | 04/09/2002 |
| 6234914 | Punch for forming threaded fasteners with spiral drive A spiral drive system for threaded fasteners includes driver-engageable surfaces on the head end of the fastener in which at least some of the driver-engageable surfaces are defined by a spiral segment configured to maximize torque transmission while spre... | 05/22/2001 |
| 6223634 | Recessed head fastener and driver systems Recessed head fasteners are provided with a configuration by which the force applied by the blades of the driver to the recessed wings is applied at the radially outer regions of the wings. The wings of the fastener recess may be provided with torque pads... | 05/01/2001 |
| 6152000 | Driver bit and driver A driver bit and a driving tool having a plurality of projections formed on at least one surface of the shank portion/driving portion of the bit/tool to retain the bit in a bit holder, or to retain a socket or the like on the driving tool. The projections... | 11/28/2000 |
| 5957645 | Spiral drive system for threaded fasteners A spiral drive system for threaded fasteners includes driver-engageable surfaces on the head end of the fastener in which at least some of the driver-engageable surfaces are defined by a spiral segment configured to maximize torque transmission while spre... | 09/28/1999 |
| 5921735 | Lobular fastener with rectilinear pitch profile A fastener is constructed having four thread zones constructed over the length of the fastener, from the head to the tip, namely a ridged cylindrical holding zone, a ridged cylindrical transition thread forming zone, a rectilobular tapered thread forming ... | 07/13/1999 |
