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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 |
| 7000688 | Supply air terminal device The invention concerns a supply air terminal device (10) including side plates (12) and an air guiding part (13). A heat exchanger (14) is fitted in the device below a supply air chamber (11) for supply air in between air guiding p... | 02/21/2006 |
| 6769477 | Supply air terminal device The invention concerns a supply air terminal device (10), which includes a supply air chamber (11) and therein nozzles (12a1, 12a2 . . . ), through which supply air is conducted into an internal side ch... | 08/03/2004 |
| 6715538 | Supply air terminal device The invention concerns a supply air terminal device (10) including a supply chamber (11) for the supply air and in the supply chamber (11) nozzles (12a1, 12a2 . . . ; 12b1 | 04/06/2004 |
| 6379240 | Air circulation system for a refrigerated display case and method for ventilating a room space, hall space or a refrigerated division thereof having a refrigerated display case Air circulation system for a refrigerated display case and a method for ventilating a space including a refrigerated display case. The refrigerated display case includes a space inside a frame of the display case, shelves in the space and an inside air ci... | 04/30/2002 |
| 5829464 | Regulation device and method for regulation of an air flow A regulation device and method for regulating an air flow, a gas flow or an equivalent medium flow in which slats can be moved to form an adjustable flow passage in their interior and have lateral edges overlapping each other. The cross-sectional flow are... | 11/03/1998 |
