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 |
| 6163962 | Chestnut's friend A tool is used for piercing a chestnut to prevent it from bursting while cooking. The tool includes a base, an inverted U-shaped support, a plunger, a striking knob connected to a top end of the plunger, a bumper on the opposite end of the plunger, and a ... | 12/26/2000 |