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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 |
| 5317022 | Pharmaceutical composition and use A biologically active preparation for human or veterinary use for the selective blockade of opioid binding sites of the brain responsible for respiratory depression containing in a biologically active quantity the codeinone derivative of general formula (... | 05/31/1994 |
