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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 |
| 7343827 | System and process for break detection in porous elements for screening or filtering A method of detecting breaks in a porous element in a material separator is disclosed. A shielding is created in the material separator to form a barrier to RF energy. The shielding is formed with a path through the barrier capable of allowing RF energy and material... | 03/18/2008 |
| 6722504 | Vibratory separators and screens A vibratory separator with a base, vibrating apparatus, a screen container on the base, the screen container having a plurality of spaced-apart drain holes, a plurality of spaced-apart screens in the screen-container, said screens oriented vertically within the scre... | 04/20/2004 |
| 5645724 | Rotor-equipped cylindrical screens A cylindrical screen within which rotates a rotor fitted with means causing pressure variations and/or turbulence. The rotor (1) consists of one or several cylindrical surface segments (2) which when geometrically developed are right triangles of which th... | 07/08/1997 |
| 5190162 | Sorting machine A machine for sorting packages having individual bar code identifications. The packages are received at an induction station and an induction conveyor moves the packages up to a gate which is driven by an actuator to allow individual packages to pass thro... | 03/02/1993 |
| 4955482 | Screen cleaning in cil & cip systems In carbon-in-pulp (CIP) and carbon-in-leach (CIL) processes, especially those utilizing pure oxygen instead of normal air to increase the overall efficiency of the cyanide leaching-adsorption process in the recovery of gold and/or silver from ores, the sc... | 09/11/1990 |
| 4900430 | Screen cleaning in CIL and CIP systems In carbon-in-pulp (CIP) and carbon-in-leach (CIL) processes, especially those utilizing pure oxygen instead of normal air to increase the overall efficiency of the cyanide leaching-adsorption process in the recovery of gold and/or silver from ores, the sc... | 02/13/1990 |
