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 |
| 7480033 | System and method for the deposition, detection and identification of threat agents using a fiber array spectral translator A system and method for depositing a sample of a threat agent is deposited onto a substrate. A first optical collection device collects at least one of the following: elastic scattered light produced by the threat agent, and Raman scattered light produced by the thr... | 01/20/2009 |