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...When G.G. Hubbard learned of his future son-in-law's invention, he called it "only a toy." His daughter was engaged to a young man named Alexander Graham Bell.
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| Number | Title | Issue Date |
| 7097405 | Method and apparatus for fastening steel framing with staggered teeth nails A piercing nail with a spring member that deforms as the nail penetrates through framing members engages with a bottom surface to framing members together. ... | 08/29/2006 |
| 7077613 | Method and apparatus for fastening steel framing using helical features A pin with threads that extend along a portion of a stem of the pin interact with framing members as the pin is driven through the framing members. The interaction of the threads with the framing members cause the pin to rotate as the threads pass through the framin... | 07/18/2006 |
| 6905299 | Method and apparatus for fastening steel framing with a harpoon nail A harpoon nail having two or more sets of teeth on opposite sides of fingers that deform while penetrating the framing members. The teeth engage with a bottom surface to fasten the framing members together. A piercing nail having sets of teeth on two edges penetrate... | 06/14/2005 |
| 6817818 | Metal piercing fastener with optimally resilient securing member A metal piercing fastener includes an elongated body with an internal void and a securing member carried by the elongated body and adapted to grip and lock pierced work pieces together. The securing member is adapted to be accommodated in the internal void and is tw... | 11/16/2004 |
| 6679669 | Fastener for wood having locking portion Various embodiments of improved fasteners for joining at least two pieces of wood are disclosed. The fastener includes a plate-like member or folded rectangular member defined between a leading edge and a trailing edge. The leading edge is configured to e... | 01/20/2004 |
| 6659700 | Metal piercing fastener A metal piercing fastener for securing a light gauge sheet metal layer to metal/non-metal substrate layer(s) includes an elongated metal body having a crown at one end a sharpened and hardened tip at the other end defining a rigid metal penetrating region... | 12/09/2003 |
| 6318943 | V type nail A V type nail has two side portions, at least a part of each side portion being outwardly tapered from the driven end to the leading or cutting edge thereof so as to act on woodwork or other suitable material as it is driven therein at a joint and thus ob... | 11/20/2001 |
| 6286570 | Adjustable anti-splitting device The anti-splitting device of the present invention has a central-web portion and a pair of end web portions, which are joined adjacent to their midpoints to opposite ends of the central web portion to provide the device with generally I-shaped cross-secti... | 09/11/2001 |
| 6276886 | Laminar staple for corner jointing profiled strips A laminar staple comprising two walls arranged at an angle and two ribs which protrude laterally from the walls; the walls and the ribs form a substantially W-shaped profile which has a cutting edge at one end and a striking edge at the opposite end; the ... | 08/21/2001 |
| 6276644 | Compact cable anchor for retainment and attachment of cables and tubing A novel cable anchor for retainment and attachment of cables and tubing which utilizes a one-piece A-shaped rigid body (11) comprising of a U-shaped top (12) having the front, back and bottom open having two extensions one W-shaped left side extension (13... | 08/21/2001 |
| 6250862 | Boxcar tiedown system using angled warp spikes Angled warp spikes enable secure attachment to the steel flooring of a railroad boxcar. Such flooring includes transverse slots with a curved depth profile. The warp spikes are designed to deform or warp as they are driven into a flooring slot and conform... | 06/26/2001 |
| 6241445 | Asymmetric bevel corrugated fastener A corrugated fastener having an asymmetrically corrugated body member with more corrugations protruding from one face of the body member than from an opposite face thereof, and a leading edge on one end of the body member, the leading edge formed by at le... | 06/05/2001 |
| 5704751 | V-nail fastener A V-nail fastener has a leading edge that is partially formed with asymmetric sharpening, limited substantially to the central sections. Flange elements extend generally perpendicularly to the panel elements of which the central (V-shaped) portion is cons... | 01/06/1998 |
| 5509769 | Barbed light weight concrete fastener and plate A barbed light weight concrete fastener and plate comprises a fastener with a head and two bendable legs. Each leg has a barb and a bump protruding therefrom. The fastener is pushed through a base ply and into a roof deck of cementitious material. The leg... | 04/23/1996 |
| 5473134 | Welding stud formed from sheet metal Welding studs are punched from a metal band in such a way that a shank 11 of the stud is formed from a metal strip which is integral with a head 10, partly cut free therefrom and bent at right angles with respect to the plane of the head 10. For sufficien... | 12/05/1995 |
| 5336038 | Laminar staple for angularly joining profiled strips Laminar staple including two walls which are substantially at right angles to each other and which form an edge and two ribs which extend substantially at right angles to the walls; the walls and the ribs form a cutting edge, and the ribs have two planar ... | 08/09/1994 |
| 5193959 | Metallic staple particularly for the butt joining of elements made of wood or the like The metallic staple particularly suitable for the butt joining of elements made of wood or the like, for example for manufacturing frames of paintings or other items, includes a rectangular lamina with longitudinal shapings and a transverse cutting edge. ... | 03/16/1993 |
| 4925352 | Sheet nails in strips Sheet metal nails (2) are linked side-by-side with each other in a metal strip (1), the nails being parallel to each other and extending at an angle to the longitudinal direction of the strip from one lateral edge of the strip to the other opposite latera... | 05/15/1990 |
| 4777778 | Fastener for fixing wall-covering material to a batten In this fastener which comprises a base plate suitable for being fixed to a batten, at least one retaining tab which is integrally formed with the base plate and which is suitable for retaining a piece of covering material, and two fixing tabs which exten... | 10/18/1988 |
| 4718804 | Metallic lamella fastener for wood A fastener for wood comprising a metallic lamella having a length which is substantially parallel to the direction the fastener is driven into the wood, and having a protuberance on the back of the lamella which protuberance extends, at the most, across t... | 01/12/1988 |
| 4681498 | Clip fastener for corner jointing section profile elements The clip fastener comprises two mutually substantially perpendicular walls forming a corner and two ribs protruding perpendicularly with respect to the walls. The ribs are arcuate, and each have an intermediate portion which is located at a greater distan... | 07/21/1987 |
| 4666345 | Rock bolt structure An elongate hollow rock bolt, bolt installations, and process of effecting the same, wherein the bolt is slightly over-size relative to the transverse cross-section of the mine roff hole or aperture in which the bolt is to be installed. The bolt has a rad... | 05/19/1987 |
| 4650373 | Rock bolt construction and installation An elongate hollow rock structure and installation wherein the elongated shank of the bolt is hollow and has a series of outwardly bowed side or side portions that are capable of resilient deflection. Fin means are provided in sides or side portion, with ... | 03/17/1987 |
| 4203193 | Method of attaching a rail and a tie plate to a cross tie A spike retainer which may be forcibly driven through an aperture in a tie plate into a wood cross tie includes an upper lip for engaging a flanged base of a rail supported by the tie plate. A movable wedge attached to the spike retainer is forced between... | 05/20/1980 |
| 4167885 | Sheet metal nail and method for producing same An improved, one-piece, sheet metal nail having a generally cross-sectionally V-shaped shank portion and a head portion comprising extensions of the two legs defining the generally V-shaped shank portion which are folded inwardly at substantially right an... | 09/18/1979 |
| 4111096 | Fastening device A fastening device to be used for attaching or mounting boards, slabs or mats of a pierceable material, in particular insulation mats, on a support surface, as for instance walls, roofs, ventilation ducts, etc., comprises an elongated, relatively thin met... | 09/05/1978 |
| 4058047 | Clamp nail A clamp nail for joining two wood members tightly together by driving the nail endwise into the two members across the joint. The major length of the nail is in the form of a channel having a web and parallel upstanding flanges along both sides of the web... | 11/15/1977 |
| 4031350 | Method of resistance welding The present invention is directed to an improved integral sheet metal welding pin particularly adapted for use with automatic welding machines of the type in which pins are stored in random fashion in a hopper. The pin incorporates a shank adapted to be a... | 06/21/1977 |
| 4001993 | Steel wall stud and the wall frame employing the same A sheet metal wall stud having a shape and dimensions corresponding substantially to wood studs and a cross-sectional configuration providing for rigidity and dimensional stability. A wall system employing such a stud wherein top and bottom plates of conv... | 01/11/1977 |
| 3973295 | Cutout holding clip An L-shaped clip of sheet metal is provided with a pair of resilient fingers having their connected ends offset from the plane of the clip leg that they are integral with, the fingers then curving upwardly at a decreasing radius with two points or teeth a... | 08/10/1976 |
