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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 |
| 7028482 | Phev (pneumatic hybrid electric vehicle) A pneumatic hybrid electric engine includes an electric source, an air supply part for compressing air and storing the compressed air, a pneumatic engine part for generating power using air supplied from the air supply part, an electric engine part for generating po... | 04/18/2006 |
