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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 |
| 4873081 | Percutaneous absorption preparation A percutaneous absorption preparation which comprises calcium salt of an acidic anti-inflammatory or analgesic drug having carboxyl group as the active ingredient and present in an amount of 0.3-10% by weight; a medium for the active ingredient which is s... | 10/10/1989 |
