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Reward Candy Dispenser for Personal Computers
A personal computer peripheral, battery powered reward candy dispenser which immediately presents students with a single candy for each problem completed correctly.
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| Number | Title | Issue Date |
| 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 |
| 7288309 | Microstructured substrates with profile-preserving organometallic coatings A method of making a polymer coating on a microstructured substrate. The method may be performed by vaporizing a liquid monomer or other pre-polymer composition and condensing the vaporized material onto a microstructured substrate, followed by curing. The resulting... | 10/30/2007 |
| 7263816 | 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... | 09/04/2007 |
| 7252396 | Retroreflective article having at least one valve and method of making same A retroreflective article having at least one valve is disclosed. Each valve may include a channel extending from a first major surface to a second major surface of the retroreflective material, and at least one movable member proximate the channel. The at least one... | 08/07/2007 |
| 7247386 | Composition of an oligomeric fluorosilane and surface treatment of retroreflective sheet The invention relates to a method of treatment of a retroreflective sheet with a treatment composition that comprises a fluorinated compound having one or more silyl groups and an auxiliary compound selected from the group consisting of (i) one or more non-fluorinat... | 07/24/2007 |
| 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 |
| 7204658 | Light-accumulating luminous road marking material and road structure A photoluminescence road marking material which is useful for a marking of a lane of a road, has a high photoluminescence performance along with a required wear resistance and weather resistance, can find an application not only in a white line, but also various typ... | 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 |
| 7199436 | Attachment structure for solid-state imaging device An attachment structure is used for attaching a solid-state imaging device to a light exit end face of a color-separating prism. When bonding the light exit end face on the color-separating prism side and the light entrance face on the solid-state imaging device sid... | 04/03/2007 |
| 7198377 | Method of producing a retro-reflective heat transfer film with a transparent protective sheet for whole surface A method of producing a retro-reflective heat transfer film includes heat-joining a PET release film and a transparent TPU sheet; forming a sticky-adhesive layer or a hot melt adhesive layer on the surface of the transparent TPU sheet; fixing glass beads made of bea... | 04/03/2007 |
| 7140741 | Color shifting retroreflector and method of making same Color shifting retroreflective articles can provide features such as decorative effects, evidence of tampering, security authentication or positional information. In some embodiments, the color shifting retroreflective article includes a layer of microspheres, and a... | 11/28/2006 |
| 7117794 | Method for manufacturing an identification plate A method of manufacture of an identification plate: comprises advancing a transparent sheet material having an opaque material in contact with one major surface thereof to a printing station, printing indicia in reverse on the other major surface of the sheet materi... | 10/10/2006 |
| 7083695 | Tires with non-black tread grooves A pneumatic tire comprising a black colored tread with at least one colored groove wherein the top surface of the tread designed to be ground-contacting is essentially free of non-black color. A non-black component is placed over the tread strip and covered with a t... | 08/01/2006 |
| 7063872 | Films having a high transmittance and matt property A film having a high transmittance and matt property is disclosed which has, on a transparent support 1, a hard coat layer 2 incorporated therein particles 4 of a particle size of 1.0 to 10 μm that is larger than the layer thickness thereof, an... | 06/20/2006 |
| 7048989 | Retroreflective article comprising water-borne acrylic topcoats The invention relates to retroreflective articles such as retroreflective sheeting that comprises a core sheet comprising retroreflective elements and a topcoat wherein the topcoat comprises certain water-borne acrylic polymer(s). ... | 05/23/2006 |
| 7029135 | Road sign band and manufacturing method thereof Sign band (1) for day and night road signs, comprising a band-shaped support (6) having a first and second outer surface (6a) and 6b), a reflecting substance (7) arranged in a portion of at least one of said outer sur... | 04/18/2006 |
| 7023480 | Aligned mounting of a photodetector array in a color splitting prism A joining construction is described for mounting the CCD cells of a color line camera on a color splitting prism (30) attached to a prism housing (2) for each CCD cell (6, 7, 8) attached by a first glue joint (13), to its fastening elemen... | 04/04/2006 |
| 6978738 | 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 ... | 12/27/2005 |
| 6966660 | Article exhibiting dry and wet retroreflectivity A exposed-lens retroreflective article exhibiting retroreflection under dry and wet conditions is provided. The inventive article comprises a first set of optical elements having a first reflective layer disposed on the embedded portion of the elements. The first se... | 11/22/2005 |
| 6925965 | Omnidirectional reflective pet leash A flexible omnidirectionally reflective pet leash having a 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 the pet owner'... | 08/09/2005 |
| 6912089 | Optical diffusion film and process of producing optical diffusion film A process of producing an optical diffusion film which comprises at least a transparent base layer on a transparent substrate, a layer of transparent microspheres over the transparent base layer and a light absorbing layer over said transparent base layer comprises ... | 06/28/2005 |
| 6905881 | Microbead-based test plates and test methods for fluorescence imaging systems The present invention provides a test plate and methods for adjusting fluorescence imaging systems involving using a plate with fluorescent microbeads bound to a surface. ... | 06/14/2005 |
| 6886949 | Light reflective films A light reflective film having a multi-layered structure including a light reflective membrane layer on a web. A plurality of transparent spherical glass beads are provided on the light reflective membrane layer. A transparent film layer is provided on the glass bea... | 05/03/2005 |
| 6778239 | Light diffusing plate and display apparatus The light diffusing plate includes an unrecognizable structure having an optical refractive power, passing areas through which a collimated light incident from a side of the unrecognizable structure passes and a non-passing area other than the passing areas, which h... | 08/17/2004 |
| 6696126 | Visual-tactile signage Many embodiments of the present invention are imbued with both sight-facilitative and touch-facilitative characteristics. The invention's unitary resinous matrix configuration encompasses, in the form of small discrete bodies, three genres (luminescent, r... | 02/24/2004 |
| 6623793 | Process for forming a reflective surface A process for forming a retroreflective layer on a powder coated substrate is provided. The substrate is powder coated and the powder coating is subsequently partially cured. Reflective elements are then partially embedded in the semi-cured powder. The po... | 09/23/2003 |
| 6586067 | Encapsulated lens retroreflective sheeting Encapsulated-lens retroreflective sheeting is described which contains an improved binder layer. The binder layer is obtained from a film-forming mixture which comprises: (A) a vinyl chloride copolymer, (B) a thermoplastic polyurethane, and (C) an aminoplast r... | 07/01/2003 |
| 6531205 | Fluorescent yellow retroreflective sheeting A fluorescent yellow retroreflective sheeting article comprises a polymeric matrix, a fluorescent yellow-green dye selected from the group consisting of thioxanthene dyes and benzothiazene dyes, and a second dye selected from the group consisting of thiox... | 03/11/2003 |
| 6514595 | Integrated marking materials A dry formulation for an integrated marking material for concrete and asphalt application comprises a cementitious mixture including a hydraulic or cementitious binder, a redispersible polymeric cement modifier, a retroreflective agent filler, and optiona... | 02/04/2003 |
| 6479132 | Pavement marking articles having enhanced retroreflectivity under dry or wet conditions and method for making same The articles of the present invention comprise pavement marking articles which are retroreflective under dry and/or wet conditions. The articles comprise a monolayer of exposed-lens optical elements, a spacing layer, and a reflective layer. The present in... | 11/12/2002 |
| 6416188 | Dielectric mirror retroreflective appliques having excellent repetitive laundering performance Exposed lens retroreflective appliques incorporate a monolayer of beads and a dielectric mirror proximate the beads. A pigmented or otherwise colored bead bond layer in which the beads are partially embedded is visible through the dielectric mirror, givin... | 07/09/2002 |
| 6412957 | Pavement marking article and method of producing The pavement marking article comprises a substrate, a plurality of protrusions provided on the surface of the substrate, and first transparent microspheres having a refractive index of not less than 2.0 fixed at least on the surface of the substrate betwe... | 07/02/2002 |
| 6365262 | Pavement marking articles having enhanced retroreflectivity under dry or wet conditions and method for making same The articles of the present invention comprise pavement marking articles which are retroreflective under dry and/or wet conditions. The articles comprise a monolayer of exposed-lens optical elements, a spacing layer, and a reflective layer. The present in... | 04/02/2002 |
| 6350036 | Retroreflective sheeting containing a validation image and methods of making the same This invention relates to retroreflective sheeting which has an image, such as an image. More specifically, the image has varying appearance at different angles of view. The retroreflective sheeting has a layer of transparent microsphere lenses, a transpa... | 02/26/2002 |
| 6312132 | Fluorescent red article and retroreflective article made therefrom A fluorescent red article comprising a polymer matrix; and a perylene dicarboximide dye, wherein the article has chromaticity coordinates (x, y) within the area defined by (0.648, 0.351), (0.735, 0.265), (0.629, 0.281) and (0.565, 0.346) in terms of the C... | 11/06/2001 |
| 6247818 | Method for making retroreflective elements having enhanced retroreflectivity under dry and/or wet conditions The present invention comprises a method for making retroreflective elements which are retroreflective under dry and/or wet conditions. The method provides a means for placing optical elements and/or skid-resistant particles on selected surfaces.... | 06/19/2001 |
| 6243201 | Retroreflective articles having polymer multilayer reflective coatings A retroreflective article that has a layer of optical elements and a multilayer reflective coating disposed on the optical elements. The reflective coating reflects light back into the optical elements so that it can be returned toward the light source. T... | 06/05/2001 |
| 6204971 | Glass microspheres for use in films and projection screen displays and methods Glass microspheres and rear projection screens containing glass microspheres, which combine a desirable index of refraction (preferably, no greater than about 1.70) and low levels of defects (e.g., bubbles, visible haziness, frostiness, or opacity, substa... | 03/20/2001 |
