...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 |
| 7399092 | Variably mountable multiple colored safety and novelty reflector and method for making same A reflector (10) includes a frame (20) and reflector pieces (40, 50). The frame (20) is made of a light-opaque material and the reflector pieces (40, 50) are made of semi-light-transparent materials, preferably color tinted. The fr... | 07/15/2008 |
| RE40227 | Totally internally reflecting thin, flexible film A thin, flexible film made of a transparent polymeric material including a structured surface and an opposite smooth surface, wherein light striking either surface, within certain angular ranges, is totally internally reflected. The structured surface includes a lin... | 04/08/2008 |
| 7331311 | Abrasion resistant omnidirectionally reflective rope A flexible abrasion resistant omnidirectionally reflective rope has a central braided high strength core comprising gel fiber or p-aramid fibers that is surrounded by cylindrically braided sleeve of reflective strips composed of narrow width reflective strips that c... | 02/19/2008 |
| 7274508 | Reflective projection screen with angled sidewalls A projection screen includes a plurality of passive elements each having a sidewall surrounding a surface, wherein said sidewall is configured to attenuate light. ... | 09/25/2007 |
| 7262911 | Reflex-type screen assembly A reflex-type screen includes a base which has saw-tooth appearance, and an optical absorption layer on one edge of each saw-tooth of the base. The base consists of white resin and includes a plurality of projector side inclined planes and non-projector side incline... | 08/28/2007 |
| 7246477 | Omnidirectionally reflective horse halter A flexible omnidirectionally reflective horse lead has a central portion, and mechanical attachment means to accommodate a bridal bit ring. The lead reflects an incoming light beam from a walker or horseback rider back in the direction from which it emanated, preven... | 07/24/2007 |
| 7219626 | Pet toy having omnidirectional reflectivity A flexible abrasion resistant omnidirectionally reflective pet toy reflects incoming light beam back in the same direction as it was emanated, thereby indicating the location of a pet toy and thereby preventing tripping hazards in pet play areas during dusk or night... | 05/22/2007 |
| 7204207 | Abrasion resistant omnidirectionally reflective jewelry A flexible abrasion resistant omnidirectionally reflective jewelry piece has a central cylindrical braided rope core surrounded by a cylindrical reflective braided sleeve comprising three or more narrow width reflective strips that are braided at a shallow cylindric... | 04/17/2007 |
| 7204206 | Abrasion resistant omnidirectionally reflective pet leash A flexible abrasion resistant omnidirectionally reflective pet leash has handle, central pet leash, and pet collar sections that reflect an incoming light beam back in the same direction as it was emanated. The reflected light beam provides accurate illumination of ... | 04/17/2007 |
| 7151639 | Thin-type spherical lens A thin-type spherical lens, fabricated according to the result of the virtual procedures of removing the portion of each of a plurality of lens bodies with different radii of curvature of light-exiting faces, which corresponds to a spherical surface with the optical... | 12/19/2006 |
| 6958179 | Segmented sheeting and methods of making and using same The present invention provides a new sheeting article that may suitably include: a carrier having a first major surface and a second major surface; and a plurality of discrete segments of a sheeting (e.g., a retroreflective sheeting), wherein the sheeting has a firs... | 10/25/2005 |
| 6935756 | Retroreflective articles having moire-like pattern The invention relates to articles comprising a sheeting having a microstructured surface that reflects light in a moiré-like pattern. The invention further relates to methods of making a master and replicas thereof including tooling that results in sheeting having ... | 08/30/2005 |
| 6843571 | Methods of making a master and replicas thereof The invention relates to methods of making a master and replicas thereof including tooling and retroreflective sheeting. The invention further relates to the corresponding master, tooling and in particular retroreflective sheeting. The method comprises forming V-sha... | 01/18/2005 |
| 6793375 | Reflector with complex parabolid surface for elongated light source A surface mountable strobe incorporates an elongated light source and a multi-element reflector. The reflector includes a first generally circular partial parabolic reflector element with an axis of rotation which corresponds to an axis of symmetry of the source. Th... | 09/21/2004 |
| 6758567 | One-piece reflective marking sheet A continuously formed, low profiled reflective pavement marker comprising a multiple, inclined, low profiled reflective portions, which are integrally connected by horizontally, positioned reflective sheeting. Each raised reflective portion integrally having multipl... | 07/06/2004 |
| 6678097 | Non-planar fresnel reflector arrays, mold structures and mold patterns for eliminating negative draft during molding A non-planar Fresnel reflector array mold pattern and fabrication method are described which can be utilized to manufacture integral non-planar Fresnel reflector arrays which are not subject to molding inclusions. The Fresnel reflector segments comprising... | 01/13/2004 |
| 6517166 | Light-reflective wheel rim A wheel rim includes a transparent adhesive layer provided on the surface of the wheel rim, a light-reflective particle layer which is substantially free of any superimposed or overlapping particles and which is formed by spreading solely and uniformly dr... | 02/11/2003 |
| 6461718 | Retroreflective sheet To provide a retroreflective sheet which is suitable for co-molding by injection molding or the like, wherein the retroreflective sheet can be laid within a mold and molded with a resin to form a molded product, and, after molding, the sheet retains a sig... | 10/08/2002 |
| 6048068 | Wheel rotation marker The present invention relates to a marker for indicating wheel rotation for a truck. The marker fits onto the wheel and turns with the wheel. The marker has a reflective end to allow vision during less visible occasions. The marker is mounted on the wheel... | 04/11/2000 |
| 5822119 | Retroreflective sheeting material, a method of its production and its use A retroreflective sheeting material comprising at least one retroreflective optical system (200, 300, 400) consisting of an entrance transmission optical element (201, 301) for receiving and focusing incident electromagnetic radiation from an irradiation ... | 10/13/1998 |
| 5706062 | Projector system including keystone correction A projector for use with a light source and including a shutter assembly having a multiplicity of pixel light valves and a color separator disposed intermediate the light source and the shutter assembly and spaced therefrom and providing a plurality of sp... | 01/06/1998 |
| 5617152 | Projector system for video and computer generated information A projector for use with a light source and including a shutter assembly panel having a multiplicity of pixel light valves overlying an array of interspersed shutter pixels each of which transmits only one of a plurality of colors, and a color filter disp... | 04/01/1997 |
| 5605761 | Articles exhibiting durable color containing a polycarbonate, a fluorescent dye and an amine light stabilizer An article exhibiting durable fluorescent properties comprising a polymeric matrix, dye, and hindered amine light stabilizer, wherein the polymeric matrix is comprised of polycarbonate and the dye is comprised of a dye selected from the group consisting e... | 02/25/1997 |
| 5422757 | Pseudo-luminous panel, substrate therefor, and display element and device using the pseudo-luminous panel A pseudo-luminous panel has a substrate and a thin film optical color filter formed all over the main surface of the substrate with or without a reflecting film interposed therebetween. The main surface of the substrate is formed by obliquely downward and... | 06/06/1995 |
| 5416637 | Pseudo-luminous panel, substrate therefor, and display element and device using the pseudo-luminous panel A pseudo-luminous panel has a substrate and a thin film optical color filter formed all over the main surface of the substrate with or without a reflecting film interposed therebetween. The main surface of the substrate is formed by obliquely downward and... | 05/16/1995 |
| 5376431 | Retroreflective microprism sheeting with silver/copper reflecting coating and method of making same Retroreflective sheet material is produced by forming sheet material with closely spaced retroreflective formations on one face and depositing on this face silver and copper atoms having high kinetic energy to provide a reflective metallic deposit compris... | 12/27/1994 |
| 5363237 | Pseudo-luminous panel, substrate therefor, and display element and device using the pseudo-luminous panel A pseudo-luminous panel has a substrate and a thin film optical color filter formed all over the main surface of the substrate with or without a reflecting film interposed therebetween. The main surface of the substrate is formed by obliquely downward and... | 11/08/1994 |
| 5357371 | Laser retroreflector array having cat-eye retroreflectors A laser retroreflector array is provided having an array of cat-eye retroreflectors each with an image forming objective through which the laser beam passes and a partial mirror at the focal plane of the image forming objective. By using the cat-eye retro... | 10/18/1994 |
| 5351153 | Pseudo-luminous panel, substrate therefor, and display element and device using the pseudo-luminous panel A pseudo-luminous panel has a substrate and a thin film optical color filter formed all over the main surface of the substrate with or without a reflecting film interposed therebetween. The main surface of the substrate is formed by obliquely downward and... | 09/27/1994 |
| 5349503 | Illuminated transparent display with microtextured back reflector Applicants have discovered that a particularly efficient illuminating device for a transparent display comprises a microtextured reflecting surface formed on a major surface of a transparent substrate and a light source for directing light into the transp... | 09/20/1994 |
| 5335111 | Hollow retroreflector assembly with hard mount assembly An improved hollow retroreflector assembly with a hard mount assembly is provided, comprising a hollow retroreflector assembly adhered onto a mounting member. The hollow retroreflector has three plates having optically flat reflective surfaces disposed at... | 08/02/1994 |
| 5299061 | Pseudo-luminous panel, optical color filter therefor, and display element and device using the pseudo-luminous panel A pseudo-luminous panel has an optical color filter and a reflecting film formed all over the back thereof. The surface of the optical color filter is formed by obliquely downward and upward band-like surface portions alternately arranged side by side in ... | 03/29/1994 |
| 5245454 | LCD display with microtextured back reflector and method for making same Applicant has discovered a method for microembossing reflector surfaces with controlled reflecting patterns too small to be resolved by the unaided eye but capable of providing controlled reflection characteristics superior to uncontrolled random deformat... | 09/14/1993 |
| 5243620 | High power reflectors for laser technology A polished high-intensity reflector of copper, silver or gold for laser applications. In contrast to known mirrors of electrolytic copper whose surface is permeated with grain interfaces, this new mirror is constituted by the surface of single crystals. T... | 09/07/1993 |
| 5202168 | Precision retro-reflective target tape A retro-reflective target tape comprising a lower sub-laminate having an upper transparent thick mylar backing about 2 mils thick, a release sheet therebeneath and a pressure sensitive adhesive therebetween; and an upper sub-laminate having an upper light... | 04/13/1993 |
| 5175645 | Three panel reflector A reflector has 3 planar reflecting surfaces with the upper and lower surfaces each intersecting the central plane at an angle between 145° and 150°, each reflecting surface being composed of individually imperceptible cube corner reflectors.... | 12/29/1992 |
| 5175646 | Reflective roll-up signs Retroreflective sheeting is usually provided as rolls with an adhesive backing for application to rigid road and other signs. Roll-up signs are those small signs having folding frames holding a flexible material placed to caution traffic about temporary w... | 12/29/1992 |
| 5171624 | Retroreflective microprismatic material and method of making same A microprism retroreflector material has a body portion with a planar front face and closely spaced microprisms extending thereacross in a plane spaced from and parallel to the front face. The microprisms are formed with three side surfaces disposed along... | 12/15/1992 |
| 5079644 | Multi-layered reflective structure and method of making same A multi-layered reflective structure is comprised of a base, a first layer of first reflective elements secured to the base, and a second layer of second reflective elements secured to portions of the first layer. Additional layers of reflective elements ... | 01/07/1992 |
| 5056892 | Totally internally reflecting thin, flexible film A thin, flexible film made of a transparent polymeric material including a structured surface and an opposite smooth surface, wherein light striking either surface, within certain angular ranges, is totally internally reflected. The structured surface inc... | 10/15/1991 |