Did You Know...
...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 |
| 7263922 | Fence A fence for guiding a work surface past a saw blade supported by a table having a support tube running substantially perpendicular to the saw blade. The fence includes a rip fence having a plurality of studs disposed on opposing sides thereof. A pair of fence faces ... | 09/04/2007 |
| 7246446 | Adjustable guide rail for hand tools A method and apparatus are provided for constructing and operating an adjustable guide rail for hand tools, by attaching an elongated blade to a guide with a locking ratcheting apparatus. The locking ratcheting apparatus is thumb-operable. The elongated blade includ... | 07/24/2007 |
| 7219437 | Laser guided work device A laser guided work device including a work board having a work surface, a line producing laser projecting a line on the work surface, and a linear motion device engaging the laser to the work board. The linear motion device translates the laser relative to the work... | 05/22/2007 |
| 5271305 | Base and clamping bar assembly A support assembly includes a base having end edges along which extend toothed racks for engagement of a clamping bar having meshing detents on its end portions, the clamping bar providing a guide track for a DIY mat cutter. The base is invertible to pres... | 12/21/1993 |
| 5058285 | Template A template includes a reference panel for bringing the center of a figure to be drawn into exact alignment with the center of a previously drawn figure. The reference panel, when used in combination with a figure panel having figure holes, allows concentr... | 10/22/1991 |
| 4790077 | Ruler for fixed-distance movement A ruler for fixed-distance movement which includes a guide member provided at one end of a linear ruler section and slidable at a specified angle along a guide section of a base plate; a leaf spring containing a projection, mounted at the same one end of ... | 12/13/1988 |
| 4679328 | Lettering template A writing template comprising a planar surface and slotted lettering guide movably mounted thereon. The lettering guide is mounted upon the planar surface for rectilinear movement along a plurality of parallel steps. The planar surface includes a clip dis... | 07/14/1987 |
| 4554746 | Self-locking-and-measuring ruler for computer-printout forms The present invention provides a self-locking-and-measuring, straight-edge apparatus designed to allow one to very accurately draw spaced parallel lines, particulary horizontal ones, the straight-edge being especially designed for ruling computer-printout... | 11/26/1985 |
| 4539759 | Apparatus for use with dry transfer lettering sheets Apparatus is described which may be substituted for the vertical rule on a conventional drafting machine arrangement having a pair of rules set at right angles to one another. The apparatus includes a clamp for a transfer sheet which is movable in steps. ... | 09/10/1985 |
| 4513511 | Layout boards A drawing board for use with dry transfer materials is described. The board has a track along one edge and a paper clamp along an adjacent edge. The track bears a bar parallel to the paper clamp which in turn bears a carriage to which a dry transfer sheet... | 04/30/1985 |
| 4364184 | Indicia alignment device Apparatus for use in making signs, displays or artwork is described. The apparatus consists of a base board to which a receptor surface or, for example, a sign sheet may be secured. A sheet holder is movably mounted on the base board and removably support... | 12/21/1982 |
| 4214501 | Musical composer instrument and electronic player (electronic composer) This invention relates to electric or electronic musical instruments for the production of audible musical composition ranging from quite simple to very complex arrangements. More particularly this invention is a device for the creation and editing of a m... | 07/29/1980 |
| 4048725 | Feed index device in universal parallel ruler or the like A feed indexing device for a draftsman's straight-edge includes a control member that can be selectively linked to a straight-edge carriage plate. When the control member is linked to the carriage plate, it is rotated proportionately to carriage plate mov... | 09/20/1977 |
