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| Number | Title | Issue Date |
| 7877912 | Overlay for signs The present invention provides an overlay for conventional signs that provides multi-dimensional visibility. The overlay includes a number of individual trim sections disposed around the peripheral edge of the sign. The trim sections have an interior slot that engag... | 02/01/2011 |
| 7520073 | Reflective signage A sign comprising at least one support member and a body portion attached to the support member. The sign includes at least one reflective layer secured to the body portion. The sign includes at least one optically transmissive layer secured to the reflective layer ... | 04/21/2009 |
| 7412790 | Edge-lit panel with photo-luminescent features The present invention discloses an edge-lit panel for emergency lighting using dual mode illumination. The panel includes active lighting by the own light source of the equipment and passive lighting by photo-luminescent pigments coated on various surfaces of the pa... | 08/19/2008 |
| 7299573 | Reversible, magnetic ironing pad assembly A reversible, magnetic ironing surface includes: (a) a generally rectangular-shaped, flexible pad portion including a first, quilted, heat resistant layer; and a second, opposite, generally smooth, heat resistant layer on an opposite side of the pad portion; and (b)... | 11/27/2007 |
| 7286271 | Scanning chassis with a light transparent slot A scanning chassis is suited for scanning a document. The scanning chassis includes a case, a light source, at least one reflector, a lens assembly and an optical sensor. The case has a light transparent slot shaped like a bar form, wherein the widths corresponding ... | 10/23/2007 |
| 7182492 | License plate system having enhanced illumination A license plate system for motorcycle, car, truck or boat including a row of lights supported along an edge of a clear plastic channel so that light from the row enters the interior of the pane through an edge surface of the panel. The front surface of the panel has... | 02/27/2007 |
| 7173707 | System for automated determination of retroreflectivity of road signs and other reflective objects A system for the automated determination of retroreflectivity values for reflective surfaces disposed along a roadway repeatedly illuminates an area along the roadway that includes at least one reflective surface using a strobing light source. Multiple light intensi... | 02/06/2007 |
| 7155838 | Apparatus for gauging a dimension of an object An apparatus for gauging the dimension of an object. The apparatus has a wall with a generally flat front surface, facing a first direction, and a peripheral edge. Space graduations are provided on the wall relative to which a dimension of an object placed in front ... | 01/02/2007 |
| 7095548 | Micromirror array lens with free surface A micromirror array lens includes a plurality of micromirrors, and reproduces a predetermined free surface by controlling rotation and/or translation of the micromirrors. The micromirror is controlled by control circuitry, upheld by a mechanical structure, and inclu... | 08/22/2006 |
| 7080930 | LED warning signal light and row of LED's A light emitting diode (LED) warning signal light, the warning signal light comprising a plurality of light sources constructed and arranged with a reflector or cullminator, the LED light source being in electrical communication with a controller and a power supply,... | 07/25/2006 |
| 7064674 | Replaceable LED modules A modular warning signal light system comprising at least one support. The at least one support having at least one module receiving port. The module receiving ports constructed and arranged to removably receive the support engagement member of a module. Each module... | 06/20/2006 |
| 7043860 | Symbol illuminator of game machine A symbol illuminator of game machines includes a wheel member having symbols at an outer circumferential surface thereof; a casing for the wheel member attached a printed circuit board having a plurality of illuminants; and a reflective frame member having enclosure... | 05/16/2006 |
| 7046160 | LED warning light and communication system A light emitting diode (LED) warning signal light and communication device comprising a controller for generating a first observable light signal and a second non-observable light signal within said first light signal. The second light signal is formed of packets of... | 05/16/2006 |
| 7038593 | Strip LED light assembly for motor vehicle A light emitting diode (LED) warning signal light, the warning signal light comprising a plurality of light sources constructed and arranged with a reflector or cullminator, the LED light source being in electrical communication with a controller and a power supply,... | 05/02/2006 |
| 7033036 | LED light bar A light emitting diode (LED) warning signal light, the warning signal light comprising a plurality of light sources constructed and arranged with a reflector or culminator, the LED light source being in electrical communication with a controller and a power supply, ... | 04/25/2006 |
| 7019898 | Flexible reconfigurable surface A three-dimensional surface shape is produced from input numerical data. The shape of an elastic surface is determined by the positions of a first matrix of memory rods. The position of each of the memory rods is determined by a flexible sheet which is contoured by ... | 03/28/2006 |
| 6995681 | LED warning signal light and movable support A light emitting diode (LED) warning signal light, the warning signal light comprising an array of light sources configured on a light support and in electrical communication with a controller and a power supply, battery, or other electrical source. The warning sign... | 02/07/2006 |
| 6978551 | Picture hanging device A picture hanging device has a body, at least one marking element extending from one side of the body for marking a wall and the like, the body having at least one flexible portion which is of one piece with a remaining portion of the body, the marking element being... | 12/27/2005 |
| 6976915 | Gaming device display with simulated halftones A panel or reel strip of a gaming device that includes halftones. The panel or reel strip includes a medium and a photographically created multicolor image on one side of the medium. A silkscreen ink layer is provided on the other side of the medium. The ink definin... | 12/20/2005 |
| 6965196 | Electroluminescent sign Signs including electroluminescent lamps are described. In accordance with one embodiment of the present invention a sign includes an electroluminescent lamp integrally formed therewith. The electroluminescent lamp is formed on the sign by using the sign as a substr... | 11/15/2005 |
| 6934072 | Variable focal length lens comprising micromirrors with two degrees of freedom rotation and one degree of freedom translation A micromirror array lens consists of many micromirrors with two degrees of freedom rotation and one degree of freedom translation and actuating components. As a reflective variable focal length lens, the array of micromirrors makes all lights scattered from one poin... | 08/23/2005 |
| 6934073 | Variable focal length lens comprising micromirrors with one degrees of freedom rotation and one degree of freedom translation A micromirror array lens consists of many micromirrors with one degree of freedom rotation and one degree of freedom translation and actuating components. As a reflective variable focal length lens, the array of micromirrors makes all lights scattered from one point... | 08/23/2005 |
| 6928951 | Foldable triangular caution device A flexible foldable triangular warning device is provided. The warning device is made from at least one panel and can be moved between a compact or storage position and an expanded position in which the warning device can be made to be free standing. The device can ... | 08/16/2005 |
| 6845580 | Reflective signage A sign comprising at least one support member and a body portion attached to the support member. The sign includes at least one reflective layer secured to the body portion. The sign includes at least one optically transmissive layer secured to the reflective layer ... | 01/25/2005 |
| 6785991 | Collapsible traffic control sign A collapsible traffic control sign in the form of an arrow board for providing an alert warning to approaching traffic includes a collapsible frame including first, second and third frame members and four cooperating link members. Each link member is connected at op... | 09/07/2004 |
| 6598328 | Sign faces having reflective films and methods of using same A lighted sign housing is provided having a sign face with both light-transmissive portions and light-blocking portions; and a reflective film applied to at least a portion of the light-blocking portions toward the interior of the sign housing. A method o... | 07/29/2003 |
| 6600474 | Micro-mechanical flat-panel display A visual display is provided comprising a plurality of pixels each of which comprises: a surface having an area less than one square millimiter comprising first and second regions having surface finishes; and a thin planar panel having first and second si... | 07/29/2003 |
| 6569786 | Layered reflecting and photoluminous fire resistant material Flexible, fire resistant, layered reflecting and photoluminous material is provided which combines the advantages of a light reflective component and a luminescent component in a fire resistant structure which meets National Fire Protection Association st... | 05/27/2003 |
| 6557279 | Variable image-displaying member A variable image-display having an opaque substrate having a front surface which is observed by an observer, and a back surface opposing the front surface, and a plurality of pixel elements which are arranged on the front surface of the substrate in rows ... | 05/06/2003 |
| 6526588 | Stabilization of fluorescent dyes in vinyl chloride articles using hindered amine light stabilizers A durable colored article having fluorescent properties comprises a substantially solventless polyvinyl chloride matrix, a thioxanthene fluorescent dye, and a secondary or tertiary hindered amine light stabilizer having a molecular weight less than about ... | 03/04/2003 |
| 6490819 | Decorative sheet A decorative sheet including a pattern with a third-dimensional appearance is provided. The decorative sheet has a reflective layer for reflecting incident light. On the reflective layer, a transparent layer is formed. On the transparent layer, a light sh... | 12/10/2002 |
| 6477800 | Reflective impact-absorbing bumpers for utility poles A device is provided for attachment to utility poles, trees, and the like, which positions one or more light reflective panels within channels in a bifurcated, double halo shaped housing. The housing swings open into two sections for changing the panels. ... | 11/12/2002 |
| 6470610 | Prefabricated retroreflective sign A retroreflective sign includes a rigid sign board and a retroreflective sheeting having a structured surface. The structured surface has cube corner elements formed therein, and is bonded to a surface of the sign board to define a plurality of cells. The... | 10/29/2002 |
| 6449890 | Display element lighting method and display device An object of the invention of the present application is to provide a display element lighting method in which light is used efficiently and display properties can be improved while electric power consumption needed for lighting the display element can be... | 09/17/2002 |
| 6419376 | Illuminated indication device for road traffic An illuminated indication device for road traffic. A number of indicating points are formed with indicating lenses in or on an indicating surface. The indicating lenses have a light entry surface and a light exit surface and are illuminated by the rear fa... | 07/16/2002 |
| 6305028 | Light reflective protective headwear Protective headwear (e.g., helmet) is provided with patterned reflective surfaces that are highly reflective and resist rough handling. The reflective surface is produced by sealing a reflective sheet between a base and a cover layer that includes a patte... | 10/23/2001 |
| 6253477 | Retro-reflective sign A retro-reflective sign is formed of a lens plate bearing indicia and having a front face and a rear face. The rear face is formed with a plurality of adjacent cube corner configurations having central axes, which configurations may reflect light rays app... | 07/03/2001 |
| 6159878 | Layered reflecting and photoluminous fire resistant material Flexible, fire resistant, layered reflecting and photoluminous material is provided which combines the advantages of a light reflective component and a luminescent component in a fire resistant structure which meets National Fire Protection Association st... | 12/12/2000 |
| 6142643 | Electroluminescent retroreflective article Electroluminescent retroreflective article comprising: (a) a retroreflective member comprising (1) a cube corner member having a front surface and a back surface, the back surface having a plurality of cube corner elements protruding therefrom and (2) a s... | 11/07/2000 |
| 6120295 | Visual puzzle toy A visual puzzle toy, for example, a coloring book 14 is provided with a substantially planar surface having a morphologically distorted representation 10 of an image printed thereon. The image 10 is distorted by circular transformation and must be viewed ... | 09/19/2000 |
