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 |
| 6615740 | Machine for transport of passengers and cargo An electrically powered vehicle transportation system utilizes a guideway with parallel enclosed rails. Each enclosed rail has an electrical bus bar for supplying power to vehicles on the guideway. The guideway will accommodate dual-mode vehicles that are... | 09/09/2003 |
| 4805539 | Well car end structure having frameless radial truck A railway well car for the transport of containers has a depressed floor section supported between lateral side structures and longitudinal end structures. Each end structure is supported on a frameless radial truck. The frameless radial truck has four lo... | 02/21/1989 |
| 3945325 | Railway bogie A railway vehicle bogie comprising a main transverse beam and two axles each carrying a pair of wheels, each axle being linked to the beam by two radius arms, one on each side of the bogie, each radius arm being pivoted to the respective axle and to the b... | 03/23/1976 |