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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 |
| D661174 | Fitting hinge | 06/05/2012 |
| 6302794 | Game machine with concentrative prize mode A game machine capable of providing proper expected values. The game machine is provided with a prize decision table to be applied to a game in an ordinary probability game state and a prize decision table to be applied to a game in a high probability game sta... | 10/16/2001 |
| 6128008 | Display tester for game machine A game machine display testing apparatus reduces man-hours required to test a newly developed or altered game machine display to a great extent. A library (14) generates commands as transmission data to be transmitted to a game machine display 200. The tr... | 10/03/2000 |
| 4903091 | Heterojunction transistor having bipolar characteristics A heterojunction transistor has a first semiconductor layer of a semi-insulating or a low impurity concentration, a second semiconductor layer formed on the first semiconductor layer and made of such a semiconductor material that, in cooperation with the ... | 02/20/1990 |
| 4865593 | Splittable cannula A cannula, such as commonly used for introduction of a catheter through the cannula into a body cavity, includes a plastic tube and an adaptor at one end of the tube. For easy removal of the cannula from around the catheter, the tube and adaptor are split... | 09/12/1989 |
| 4839703 | High speed and power transistor A high speed and high power transistor includes a first layer of a first semiconductor material, a second layer of a second semiconductor material formed on the first layer, the second semiconductor material having a smaller electron affinity than the fir... | 06/13/1989 |
| 4801641 | Rubber compositions and pneumatic tires using the same A rubber composition having improved weather resistance, thermal resistance, resistance to crack growth and wear resistance comprises not less than 20 parts by weight of a rubber composed mainly of ethylene, propylene and diene and satisfying all of parti... | 01/31/1989 |
| 4792832 | Superlattice semiconductor having high carrier density The superlattice type semiconductor material has a multilayered structure of first layers of semiconductor containing impurities and having a thickness thinner than electron or hole wavelength and second layers of semiconductor free from impurities or ins... | 12/20/1988 |
| 4711285 | High-performance pneumatic tire having bead fillers of anisotropic elasticity Disclosed is a high-performance tire in which a bead filler formed of a rubber composition fills up a space between each turn-up portion of the carcass and a major portion of the carcass and extends to some extent along the carcass toward the tread. The r... | 12/08/1987 |
| 4695857 | Superlattice semiconductor having high carrier density The superlattice type semiconductor material has a multilayered structure of first layers of semiconductor containing impurities and having a thickness thinner than electron or hole wavelength and second layers of semiconductor free from impurities or ins... | 09/22/1987 |
| 4572263 | Pneumatic radial tire A pneumatic radial tire comprising: (1) a cylindrical tread portion; (2) side portions located at both sides of the tread portion and extending inwardly in the radial direction; (3) bead portions located at the inner edge portions of the side portions; (4... | 02/25/1986 |
| 4481995 | Pneumatic radial tires A pneumatic radial tire having sidewalls, the rubber composition of said sidewalls comprising, based on 100 parts by weight of rubber, 20 to 90 parts by weight of butadienepiperylene copolymer and 80 to 10 parts by weight of at least one rubbery diene pol... | 11/13/1984 |
