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 |
| 5056411 | Course recommendation display A display system for command and control system for a vessel, the system including a visual display unit (VDU), and means for providing to the VDU signals for providing a display having coordinates of vessel heading and time, with areas of the display ind... | 10/15/1991 |