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 |
| 6111376 | Motorizing awning with automatic safety control An awning, in particular an awning with a supporting arm, the cloth (1) of which can be unwound from a tube or winding shaft (2) driven by an electric motor (9) and in which are provided means for measuring the drive torque which supply a variable represe... | 08/29/2000 |