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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 |
| 7407703 | Composite membrane having oleophobic properties An air permeable composite article that in one embodiment includes a porous base membrane that includes a plurality of nodes and fibrils defining a plurality of interconnecting pores extending through the porous base membrane with each node and fibril having a surfa... | 08/05/2008 |
| 7384697 | Surface coverings containing aluminum oxide A surface covering comprising at least one layer containing aluminum oxide is disclosed. Preferably, the aluminum oxide is present in the outermost layer of the surface covering which is exposed to the environment. A method to improve wear and/or stain resistance to... | 06/10/2008 |
| 7360437 | Devices for evaluating material properties, and related processes A device for measuring at least one property of a material sample is disclosed. The device includes at least one sensor element which is formed by a direct-write technique. The device can be an instrument for measuring strain in the sample, or for measuring other pr... | 04/22/2008 |
| 7329301 | Silver nanoparticles made in solvent This invention relates to a composition of matter comprising associated predominantly silver nanoparticles, and a method of making the nanoparticles. It further relates to articles comprising the nanoparticles. ... | 02/12/2008 |
| 7311974 | Concrete floor finishing system and method An initial surface is provided. An overlay of colored grout is provided. The colored grout is on the initial surface. In this manner an intermediate surface is created. An acid stain is provided. The acid stain is on the intermediate surface. A two part clear epoxy ... | 12/25/2007 |
| 7297402 | Shaped particle having an asymmetrical cross sectional geometry A shaped particle suitable for use as a catalyst support or, alternatively, a dehydrogenation catalyst system in the form of a shaped particle, wherein said shaped particle has a geometry including a length and a cross sectional geometry at at least one point along ... | 11/20/2007 |
| 7276136 | Visibly transparent dyes for through-transmission laser welding Selection criteria for dyes that predicts efficiency and performance for plastics welding. A first stage quantitative calculation screens dyes that possess an absorption band that can be matched to a laser that is suitable for plastic welding. It also identifies abs... | 10/02/2007 |
| 7270873 | Anti-marking coverings for printing presses In a printing press and attached onto the transfer cylinders, an anti-marking system that uniformly supports the transport and the release of the wet printed sheet from one station to the next. The anti-marking sheet consists of a two plus layer system, the outer la... | 09/18/2007 |
| 7208220 | Fiber-reinforced composite material and method for production thereof A fiber-reinforced composite material including reinforcing fibers and a matrix resin, wherein at least some of the reinforcing fibers have their ends in the matrix resin, and a second resin having an elastic modulus less than that of the matrix resin is present in ... | 04/24/2007 |
| 7192650 | Element having porphyrin polymer fixed on a substrate and method of preparing the same A photo-functional molecule element having, on a substrate, a porphyrin polymer containing covalently-fixed porphyrin units, and the method of preparing the same. The photo-functional molecule element may be used as a photoelectric conversion element such as an orga... | 03/20/2007 |
| 7173102 | Facially amphiphilic polymers as anti-infective agents Facially amphiphilic polymers and articles made therefrom having biocidal surfaces are disclosed. The polymers can inhibit the growth of microorganisms in contact with the surface or in areas adjacent to said biocidal surface. There is also disclosed a method to ide... | 02/06/2007 |
| 7138703 | Preventive film for polarizer and polarizing plate using the same A preventive film for a polarizer which comprises a non-oriented two-layer film comprising a polycarbonate film having a glass transition temperature of 100° C. or higher and, laminated on one surface thereof, a polyester him: a preventive film for a polarizer whic... | 11/21/2006 |
| 7121347 | Liquid sampler A method and an apparatus raise samples of liquid such as water from a low level to a higher level, for example for obtaining a sample of groundwater from a borehole. The apparatus comprises a pair of tubes (14 and 16) extending alongside each other, w... | 10/17/2006 |
| 6991847 | Light emitting photonic crystals The invention relates to processes for the synthesis of 2-D and 3-D periodic porous silicon structures and composites with improved properties having the advantages of porous silicon and photonic bandgap materials. Photonic crystals comprise a two dimensionally peri... | 01/31/2006 |
| 6967059 | METHOD OF REFORMING ELEMENT SURFACE, ELEMENT WITH REFORMED SURFACE, METHOD OF MANUFACTURING ELEMENT WITH REFORMED SURFACE, SURFACE TREATMENT LIQUID FOR FORMING REFORMED SURFACE, AND METHOD OF MANUFACTURING SURFACE TREATMENT LIQUID A surface reforming method capable of efficiently carrying out a sustainable, even reforming treatment on a prescribed surface part of an element, a surface treatment liquid to be employed for the above-described method, and an element having a reformed surface trea... | 11/22/2005 |
| 6960542 | Method for preparation of test bodies The invention relates to a method for preparation of test bodies for analysis of porous, preferably thermally sprayed, surface layers, which are incorporated by casting in plastic. The method according to the invention is carried out by placing one or more test piec... | 11/01/2005 |
| 6939618 | Structural elements Various application are provided for an enclosure having a first wall and two or more second walls surrounding a cavity. The enclosure also has an inlet and outlet each in fluid communication with the cavity. The second walls each have at least a portion shaped such... | 09/06/2005 |
| 6936358 | Laser beam writing material, material for forming the same, and display body A laser beam writing material having: silicon dioxide; and a titanium-containing compound fixed with the silicon dioxide and capable of being changed in color by irradiation with a laser beam; wherein when a color-changed portion in the laser beam writing material i... | 08/30/2005 |
| 6916547 | Multi-functional unsaturated polyester polyols Novel multifunctional unsaturated polyester polyols, UV-curable top coat formulations including these polyols, and a one-step process for preparing these polyols, are disclosed. Surface coverings and surface covering components including these top coat formulations ... | 07/12/2005 |
| 6911262 | Visibly transparent dyes for through-transmission laser welding Selection criteria for dyes that predicts efficiency and performance for plastics welding. A first stage quantitative calculation screens dyes that possess an absorption band that can be matched to a laser that is suitable for plastic welding. It also identifies abs... | 06/28/2005 |
| 6902198 | Scratch tape A scratch tape includes a base substrate, a UV coating layer formed on the upper surface of the base substrate, a lightproof layer 30 formed of the UV coating layer for shielding light, and a water-based coating layer 40 such that the enhanced lightpro... | 06/07/2005 |
| 6887916 | Materials having controlled shrinkage and patterns and methods of making same A latent material having various controlled shrinkage tensions and patterns and a method of making the same. The materials include polymer materials that are capable of absorbing microwave energy. Different degrees of shrinkage of the material may be controlled to c... | 05/03/2005 |
| 6886309 | Custom-decorated giftwrap, kit, and method of and system for custom-decorating the giftwrap A custom-decorated giftwrap is made by feeding a folded sheet into a printer, while avoiding paper jams therein by holding together sheet portions of the sheet. ... | 05/03/2005 |
| 6878466 | Method for improving the reliability of brittle materials through the creation of a threshold strength Reliable, flaw-tolerant brittle materials are produced by incorporating layers under residual compression on the surface and throughout the bulk of the material that act to trap and contain the propagation of otherwise catastrophic cracking. The residual compression... | 04/12/2005 |
| 6867154 | Patterned, flame resistant fabrics and method for making same The present disclosure relates to patterned, flame resistant fabrics and methods of making them. Generally speaking, the fabrics comprise a plurality of high tenacity, flame resistant fibers, and a plurality of cellulosic fibers containing a flame retardant compound... | 03/15/2005 |
| 6849098 | Composite tooling Carbonaceous, composite tooling fabricated from pitch-based or coal-based cellular or porous products, “carbonaceous foams” having a density of preferably between about 0.1 g/cm3 and about 0.8 g/cm3 that are produced by: 1) conventional pit... | 02/01/2005 |
| 6846522 | Decorative material and method of its fabrication A decorative material is disclosed which comprises two polarizers and at least one phase-shifting plate placed between the polarizers. Each polarizer has a controlled direction of polarization axis. The phase-shifting plate represents a continuous layer of an optica... | 01/25/2005 |
| 6828296 | Method for removing an ultraviolet light cured floor finish, removable ultraviolet light curable floor finish and strippable finished floor A UV cured floor finish can be removed from a floor by applying to the cured finish an inhomogeneous stripper composition containing at least one polar solvent, allowing the stripper composition to contact the finish for sufficient time to soften the finish, and rem... | 12/07/2004 |
| 6821637 | Products containing an anti-fungal amount of a salt of formic acid A building material adapted for controlling growth of vegetative fungi from spores having a compressed calcium sulfate layer, a paper layer over the sulfate layer, an adhesive for securing the paper layer to the sulfate layer; an amount of a salt of formic acid disp... | 11/23/2004 |
| 6815400 | Method for forming solid film lubricant A method for forming a solid film lubricant on the surface of a part having an arbitrary shape is provided, comprising preparing a carrier having a predetermined shape and size; coating lubricant powder on the carrier; and coating the lubricant powder over the surfa... | 11/09/2004 |
| 6815065 | All-dielectric optical diffractive pigments All-dielectric diffractive pigment flakes can be applied to an object to impart a diffractive effect to the object without substantially changing the background color of the object. In one case, such diffractive pigment flakes can be applied to a white object to imp... | 11/09/2004 |
| 6811980 | Process for immobilization of nucleic acid molecules on a substrate The present invention relates to a process for immobilization of nucleic acid molecules on a substrate, wherein the substrate is treated with atomic oxygen plasma prior to immobilizing the nucleic acid molecules thereon. The invention is further related to immobiliz... | 11/02/2004 |
| 6811863 | Anti-marking coverings for printing presses In a printing press and attached onto the transfer cylinders, an anti-marking system that uniformly supports the transport and the release of the wet printed sheet from one station to the next. The anti-marking sheet consists of a two plus layer system, the outer la... | 11/02/2004 |
| 6808805 | Process for profile extrusion of a polyester In a process for producing a profile by profile extrusion, a melt of a polyester composition is extruded through a die to form a profile. The processability of the polyester composition is improved by the addition of a branching agent, which provides increased melt ... | 10/26/2004 |
| 6808651 | Thermoplastic shaped-body of trehalose, process and uses thereof A thermoplastic shaped-body of trehalose obtainable by concentrating a trehalose solution by heating either to lower the moister content of the solution to a level of not higher than about 8.3 w/w % in the presence of a substance capable of lowering the adhesion of ... | 10/26/2004 |
| 6797355 | Three-dimensional photograph and process for making the same A process for manufacturing a three-dimensional photograph includes: establishing a three-dimensional coordinate system and subsequently generating a three-dimensional spatial image within the coordinate system; dividing the image into a plurality of p... | 09/28/2004 |
| 6786977 | Gas-expanded liquids, methods of use thereof, and systems using gas-expanded liquids for cleaning integrated circuits Gas-expanded liquids, methods of use thereof, and systems of using gas-expanded liquids are provided. One exemplary system, among others, includes: a gas-expanded liquid system comprising a gas and a liquid, wherein the gas-expanded liquid system is adapted to gener... | 09/07/2004 |
| 6780497 | Surface modified expanded polytetrafluoroethylene devices and methods of producing the same Improved processes for surface treating expanded polytetrafluoroethylene (PTFE) is disclosed and improved surface-treated devices made from the processes. The processes employ a laser to surface-modify an expanded PTFE structure to create a macro-roughened surface t... | 08/24/2004 |
| 6770340 | Chaotic mixing method and structured materials formed therefrom A method for the production of a multiple phase composite material, wherein the composite material includes a major phase component and at least one minor phase component. The major and minor phase components are arranged in a desired predefined morphological struct... | 08/03/2004 |
| 6767644 | Metallized polyimide film A metallized polyimide film of the present invention comprises a polyimide film 1 which has undergone surface roughening treatment to produce a surface Ra value of 2 to 10 nm, an intermediate layer 2 formed from one, or two or more elements selected fr... | 07/27/2004 |
