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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 |
| 6348943 | Digital non-contact blade position detection apparatus A digital non-contact blade position detection apparatus is provided for use on a wafer dicing machine for blade position detection so as to correct the position of the cutting blade. The apparatus includes a light source for generating a light beam; a li... | 02/19/2002 |
