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...that "patent leather" got its name because the process of applying the polished black finish to leather was once patented?
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| Number | Title | Issue Date |
| 7338351 | Apparatus and method for sharpening tool blades A sharpening device for the blade of a tool such as a chisel or plane is in two parts. The first is a jig into which the blade is inserted with its tapered end projecting some distance beyond the jig. This distance is related to the angle to which the blade is to be... | 03/04/2008 |
| 7335093 | Blade sharpening holder A sharpening holder for manually-sharpening a cutting edge to be honed over a honing surface includes a body, an adjustable clamping component, and a plurality of roller members. The body has a first end, a second end and a tool support surface between the first end... | 02/26/2008 |
| 7237803 | Rear drag wheel mount A drag wheel and mount attachable to the angular skid bracket engaged on the rear of a motor vehicle such as a trailer or motorhome without removing or otherwise altering the angular skid bracket. The device features a roller rotationally engaged on the distal end o... | 07/03/2007 |
| 7104876 | Cutter-grinder An innovative cutter-grinder comprised of a base, a cutter holder, and a mobile base plate; the base plate being mounted with emery cloth before being placed on a deck of the frame to secure the emery cloth and allow easy replacement of the emery cloth; the cutter h... | 09/12/2006 |
| 7056195 | Apparatus and method for sharpening tool blades A sharpening device for the blade of a tool such as a chisel or plane is in two parts. The first is a jig into which the blade is inserted with its tapered end projecting some distance beyond the jig. This distance is related to the angle to which the blade is to be... | 06/06/2006 |
| 7052385 | Self-aligning blade angle guide A device for use in the manual sharpening of arrow broadheads, razor blades and the like includes a unique symmetrical clamp and axle assembly having interchangeable, matched pairs of special purpose jaw members for gripping blades of differing configurations. When ... | 05/30/2006 |
| 6447384 | Jig for grinding sharp-edged tools Jig for grinding sharp-edged tools. The jig consists of a housing in the form of a casing designed with a passage running through it whose at least one end is flat, plus a seat, also in the form of a casing designed with a passage running through it, loca... | 09/10/2002 |
| 6371835 | Off-line honing of slicer blades An apparatus and method for honing, sharpening or grinding a curved peripheral cutting surface of a slicer blade are provided. Included is the use of one of a set of interchangeable cams that generally follows the curved shape of the blade cutting surface... | 04/16/2002 |
| 6227958 | Knife and sharpening holder A sharpening holder and a knife are uniquely configured for use with each other, the holder and the knife having permanent elements that mate when the holder is installed on the knife so that the holder is installed on the knife in exactly the same positi... | 05/08/2001 |
| 5810649 | Tool guide for sharpening woodcarving and tools A tool guide for sharpening woodcarving and lathe tools comprises a holder frame having an adjustable clamping member for clamping a portion of a tool against an inner surface thereof, and an adjustable foot member removably connected to the holder frame ... | 09/22/1998 |
| 5679065 | Wafer carrier having carrier ring adapted for uniform chemical-mechanical planarization of semiconductor wafers The present invention is a carrier ring for a semiconductor wafer carrier in which an exposed surface of the carrier ring facing a polishing pad either slopes, is stepped, or is curved away from the polishing pad from the inner periphery to the outer peri... | 10/21/1997 |
| 5607344 | Apparatus for gripping and holding glass during a glass grinding process An apparatus for gripping and holding glass during a glass grinding process. The glass gripping and holding apparatus includes an elongated top shank and an elongated bottom shank pivotally connected, with the top shank being inclined toward the bottom sh... | 03/04/1997 |
| 4669227 | Angle plate apparatus with precisely adjustable workpiece holder An especially configured angle plate apparatus having a workpiece holder mounted thereon for precision positioning of the workpiece holder relative to a supporting surface. The angle plate and workpiece holder are cooperatively adapted so that the workpie... | 06/02/1987 |
| 4660330 | Bevel tool Described is a novel "bevel tool" and associated technique for holding prescribed magnetic head workpieces and placing them in prescribed constant angular relation with a rotary lapping means; this tool preferably including a workpiece-receiving pocket ad... | 04/28/1987 |
| 4486982 | Foldable holding device The improvement in a blade honing device having jaw members adapted to grip a blade to be honed and having honed guide members is to pivotally secure the hone guide members to one of the jaw members in such manner that the hone guide members may be folded... | 12/11/1984 |
| 4272926 | Face finishing tool for fiber optic communication cable A tool for finishing a termination on a fiber optic cable has a base element cast of synthetic resin material to form a reference surface and a mounting passage, and mounts a connector element in the passage adjustably for calibrated repositioning relativ... | 06/16/1981 |
| 3950899 | Blade holder for use when sharpening A blade holder, for use when sharpening and honing a blade, to hold the blade at a fixed angle to the abrasive surface, comprises a frame, one or more rollers and clamp. The frame has a front plate, against the inside surface of which is clamped the front... | 04/20/1976 |
