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 |
| 7204199 | Thermopolymeric switching mediums and temperature monitoring devices embodying such mediums The use of thermopolymeric switching medium in temperature monitoring devices in which thermopolymeric switching medium is used as a retaining materials and are based on polymeric compositions that can be designed and programmed to meet selective parameters in produ... | 04/17/2007 |