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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 |
| PP16660 | Nerium oleander plant - Turner's 7-678 A Nerium oleander plant which has a petite and upright and sprawling habit of growth, being particularly characterized by long blooming periods and the unique color of its inflorescence and its habit of growth, the flowers being a dusty rose color with areas ... | 06/13/2006 |
| 4345093 | Ethylene recovery from ethyl acrylate process Unreacted ethylene contained in a gaseous light ends stream derived from a process for the production of ethyl acrylate from ethylene and acrylic acid utilizing a sulfuric acid catalyst, is recovered by intimately contacting, under controlled conditions o... | 08/17/1982 |
| 4199606 | Propionic acid on a carrier material as a preservative Propionic acid absorbed on a particulate carrier material, including vermiculite and perlite, which will catalyze or effect the formation of monomeric propionic acid in the propionic acid vapors which evaporate therefrom is disclosed as a preservative for... | 04/22/1980 |
| 4115442 | Oxidation of butene A butene may be oxidized in the vapor phase at elevated temperatures to produce acetic acid by reacting the butene with molecular oxygen in the presence of a catalyst comprising a composition of the empirical formula: wherein V is vanadium, Ce is cerium, and O... | 09/19/1978 |
| 4006190 | Production of hydroxyl compounds A sterically hindered enamine (vinyl amine) is reacted with an alkylene oxide followed by hydrolysis of the reaction product to produce a monohydroxyl alkyl aldehyde wherein the hydroxyl group is on the third carbon atom from the carbonyl group, such as 4... | 02/01/1977 |
| 3963279 | Movable guide bar A movable guide bar, such as a rip guide for a table saw, for use transversely of a table top, which rip guide may be easily relocated from one position to another. The guide bar has a clamping mechanism containing opposing notches which will grip the bot... | 06/15/1976 |
