...that power steering was invented by independent inventor Francis W. Davis? As chief engineer in the 1920s of the truck division of the Pierce Arrow Motor Car Company, he saw how hard it was to steer heavy vehicles. So that he would be able to keep the profits from his future invention, Davis left his job, rented a small engineering shop in Waltham, Mass., and developed a hydraulic power steering system that led to power steering.
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| Number | Title | Issue Date |
| 7051390 | Multi-purpose tool A multipurpose tool is designed to meet the particular needs of commercial truck drivers. Preferably, it has a unitary, single-piece head which includes a chopping tool, a hammering tool, and a prying-pivoting tool, and a nail and/or staple removal assembly. Prefera... | 05/30/2006 |
| 6941628 | Bead-forming tool The invention comprises tools for forming beads on one or more filaments using a malleable material for the bead. The tools exert bead-forming forces radially inward toward the filament and axially along the filament toward the center of the bead. The tools comprise... | 09/13/2005 |
| 6921263 | Adjustable dental instrument having a multi-detent latch A dental instrument (10) having a tool (12) with a tip (56) capable of being rapidly adjusted and fixed in a variety of orientations relative to an instrument body (14). The instrument comprises opposing jaws (16, 22) having concav... | 07/26/2005 |
| 6740015 | Torso exercise methods and machines A torso exercise machine includes a frame designed to rest upon a floor surface; a seat pivotally mounted on the frame; at least one handlebar pivotally mounted on the frame; and a link pivotally interconnected between the seat and the handlebar. The link constrains... | 05/25/2004 |
| 5934342 | Hand tool for wire tensioning A hand tool combines jaws for gripping a wire with a spool for winding the wire so as to increase longitudinal tension in the wire prior to completing a splice. A method of the present invention for tensioning and splicing two wires includes the step of w... | 08/10/1999 |
| 5649572 | Fencing tool A fencing tool is shown for attaching a wire to a metal fence post with a wire clip. The tool has first and second elongate portions, each of which has a working end and a handle end. The working ends of each elongate portion has an outwardly extending fl... | 07/22/1997 |
| 5611138 | Plier-shaped tool to drill a partially free end region of a stranded vein of an insulated conductor A pliers-like tool for twisting the partly stripped end of the multiple-strand core of an insulated conductor, characterized by projections 41 and 42 extending out of the free end of each jaw 121 & 131 and toward the other jaw into the space between them,... | 03/18/1997 |
| 5604947 | Plier-type tool for gripping, twisting, and pulling wires A pair of pliers for gripping, twisting, and cutting wires having undulating wire gripping surfaces, a wire cutting cavity, and a resilient wire gripping material. The undulating wire gripping surfaces have high and low portions that unequally traverse th... | 02/25/1997 |
| 5560402 | Reversible direction wire twisting pliers A reversible wire twisting plier tool is provided, which includes a pair of plier arms each having a jaw portion and a handle portion and which are pivotally interconnected and movable between an open position and a closed position. A plier rotating mecha... | 10/01/1996 |
| 5542843 | Rotatably driven autoclavable ligation instrument An autoclavable ligation instrument for use in dental or medical applications which includes a ligature gripping tool having a pair of jaws with handle members connected thereto, and a drive mechanism for causing rotational movement of the gripping tool f... | 08/06/1996 |
| 5303748 | Fencing tool A two-handed pliers-type fencing tool having a circular jaw pin which provides a fulcrum point allowing the user to stretch wire is disclosed. The fencing tool further provides an upper arcuate surface terminating in double tines for removing staples and ... | 04/19/1994 |
| 5211209 | Reversible direction wire twisting pliers A reversible wire twisting plier tool is provided, which includes a pair of plier arms each having a jaw portion and a handle portion and which are pivotally interconnected and movable between an open position and a closed position. Plier rotating means a... | 05/18/1993 |
| 4889110 | Attaching device and tools for positioning same, especially for attaching the trochanter major to the femur An attaching device includes an anchoring plate 11 having four bores 12, 13, 14, 15 receiving two crimping tubes 19, 29 and two crimping rings 17, 18 for holding a multi-ply cable 20 or 21. The crimping tubes are adapted to be placed into holes drilled th... | 12/26/1989 |
| 4665953 | Reversible safety wire pliers A reversible safety wire pliers is disclosed which includes a sleeve mounted on one arm of the pliers, the sleeve having a double spiral shank with left-hand and right-hand grooves enclosed therein. A pair of externally toothed gears are mounted on the sh... | 05/19/1987 |
| 4607544 | Tool for cutting, stripping and connecting electric wire A tool for cutting electrical wire and stripping a length of electrical insulating material away from the electrically conducting core is provided with an enlarged head on each jaw so that a plurality of exposed electrically conducting cores may be graspe... | 08/26/1986 |
| 4392494 | Ligature tying instrument This patent describes a new orthodontic instrument to be used for tying or twisting the ligature wires used to hold the arch wire to the bracket. It also explains the method of use which consists of: twisting the wires, after the ligature wire has been pl... | 07/12/1983 |
| 3962901 | Electrical connector tap assembly apparatus A tool for use in connecting two conductors by crimping a pre-insulated open-U shaped connecting device simultaneously around separate conductors is disclosed. The tool is adapted for trimming either or both wires and can attach the connecting device to a... | 06/15/1976 |