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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 |
| 6495012 | Sensor for electrometric measurement The invention provides a sensor with a reference electrode and a flowing electrolyte which is particularly useful for measuring the ion concentration of a process solution. The invention includes a sensor having a pressurized reservoir which provides flow... | 12/17/2002 |
| 6419709 | Biodegradable terephthalate polyester-poly(Phosphite) compositions, articles, and methods of using the same An essentially non-osteoconductive medical device is described comprising a biodegradable terephthalate copolymer comprising the recurring monomeric units shown in formula I: ##STR1## wherein R is a divalent organic moiety; x is ࣙ1; and n is 3-7,500, wh... | 07/16/2002 |
| 6414769 | Bidirectional multichannel optical telecommunication system An optical amplifier having a first input for inputting first optical signals propagating in a first direction having a first series of mutually distinct wavelengths; a first output for outputting second optical signals propagating in a first direction ha... | 07/02/2002 |
| 6357485 | Composite spoolable tube A spoolable composite tube capable of being spooled onto a reel for storage and for use in oil field applications. The spoolable tube exhibits unique anisotropic characteristics that provide improved burst and collapse pressures, increased tensile strengt... | 03/19/2002 |
| 6307087 | Ligands for metals and improved metal-catalyzed processes based thereon One aspect of the present invention relates to novel ligands for transition metals. A second aspect of the present invention relates to the use of catalysts comprising these ligands in transition metal-catalyzed carbon-heteroatom and carbon-carbon bond-fo... | 10/23/2001 |
| 6274383 | Methods for synthesizing libraries of dihydro-quinazolinones Synthetic methods for solution and solid-phase synthesis of combinatorial libraries of dihydro-quinazolinones, including synthesis of 2,3-dihydro-3-alkoxy-4(1H)-quinazolinones or 2,3-dihydro-3-hydroxy-4(1H)-quinazolinones via the Lewis-acid catalyzed ... | 08/14/2001 |
| 6235871 | Synthesis of oligoarylamines, and uses and reagents related thereto The transition metal-catalyzed amination of aryl halides, in conjunction with an orthogonal protective group scheme, forms the basis of two routes to oligoaniline precursors. The oligoaniline precursors are soluble in a variety of common organic solvents,... | 05/22/2001 |
| 6211370 | Asymmetric cycloaddition reactions The present invention relates to a process for stereoselective cycloaddition reactions which generally comprises a cycloaddition reaction between a pair of substrates, each either chiral or prochiral, that contain reactive π-systems, in the presence of a... | 04/03/2001 |
| 6041149 | Grooved optical fiber for use with an electrode and a method for making same An optical fiber which modifies the optical signals propagated through the fiber and has refractive properties which change in response to electromagnetic energy. The outer surface of the fiber forms at least one groove extending along a selected length o... | 03/21/2000 |
| 6010445 | Radioactive medical device and process An implantable medical device according to the systems and methods described herein may include a metal body or stent that does not contain significant quantities of iron or chromium and that is initially formed from a non-radioactive structural material.... | 01/04/2000 |
| 5998232 | Planar technology for producing light-emitting devices The present invention relates to a novel planar technology approach utilizing ion implantation to improve the fabrication procedure for manufacturing nitride light-emitting and laser diodes. The simplified processing significantly reduces the costs of man... | 12/07/1999 |
| 5989969 | Method of producing silicon layer having surface controlled to be uneven A method of forming a silicon layer disclosed herein includes the steps of depositing an amorphous silicon layer on a substrate, irradiating a silane gas to the substrate, and performing an annealing process in a high vacuum or in an inert gas. The amorph... | 11/23/1999 |
| 5906297 | Multi-outlet depositor A multi-outlet depositor receives fluid material and displaces first and second portions of the material using first and second mechanisms, respectively, that are coupled together in a manner that causes volume of the first portion to vary according to vo... | 05/25/1999 |
