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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 |
| 4393166 | Process for the preparation of polyaddition products of isocyanates and denatured biomasses, their use as reactive fillers and as plant nutrients and a process for the production of sheets or shaped articles using the polyaddition products The instant invention is directed to a process for the production of denatured polyaddition products of biomasses and isocyanates, comprising reacting (A) from 5 to 98%, by weight, based on (A)+(B), of a biomass based on microorganisms or derivative and d... | 07/12/1983 |
| 4157322 | Water diverting gel compositions This invention relates to the recovery of oil from underground deposits. The invention relates to novel gel compositions consisting of water, a polysaccharide polymer, an acid generating salt and a melamine resin. The invention also relates to the method ... | 06/05/1979 |
| 4130538 | Preparation of smoke and flame retardant resinous compositions Preparation of improved smoke and flame retardant high structural strength resinous compositions by incorporating fractured finely ground solid powder particles of soda-containing silicate glass, especially soda-lime-silicate glass, having a high and irre... | 12/19/1978 |
| 4110281 | Process for the manufacture of fillers from solid waste A process for producing a compost which comprises grounding municipal waste, magnetically freeing iron contained therein, separating said mixture into components of various sizes by fractionation and, treating said mixture in a fermentation process at a t... | 08/29/1978 |
| 3991005 | Structural material and method A composition comprising an intimate bonded mixture of (a) 30-90 parts by weight of a particulate reinforcement filler formed of the pyrolysis or incineration residue of industrial or municipal solid waste products, and (b) 10-70 parts by weight of a resi... | 11/09/1976 |
