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 |
| 6348235 | Painting apparatus and method A design roller sleeve has a plurality of absorbent strips that wrap about the axis of a paint roller in a helical fashion. Each of the strips has an array of flaps, in which large and small flaps are preferably alternated, extending outward from a backin... | 02/19/2002 |