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 |
| 5913348 | Brush having extendable bristles and method for making such a brush An extendable-bristle brush having a hollow, tubular handle containing a folded bundle of fibers, the free ends of the fibers extending from an open end of the handle as bristles. The bundle is formed by folding a half-bundle of fibers about a hooked draw... | 06/22/1999 |
| 5159736 | Brush construction A brush construction which includes a brush handle having a hollowed end portion for receiving a tuft of bristles. The tuft of bristles are reversely folded about a plastic filament, and the filament reversely folded whereby the free ends of the plastic f... | 11/03/1992 |
| 4658460 | Brush for a washing roller A brush for a washing roller for use in an automatic motor vehicle washing installation or the like, comprises a flexible rectangular backing element (2) having means (3,4) along each of two opposite parallel edges for joining these edges together to hold... | 04/21/1987 |
| 4211217 | Brush for brushing the hair or massaging the cutaneous covering A hair and massage brush in which each bristle is a bent loop projecting from a perforated support. The ends of the loops extend through perforations in the support and are fixed by fusing the ends into a ball of a size greater than a perforation of the s... | 07/08/1980 |