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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| Application No. | Application Title | Issue Date |
| 20110139703 | SCREENING GRID A screening grid for discharging solids from a liquid flow. The grid includes a driveable screening strip that can be inserted into the liquid flow and includes two lateral link chains between which carrying rods extend, carrying groups of adjacent screening links. All ... | 06/16/2011 |