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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 |
| 4715610 | Hitch for a vehicle having a single rear wheel A self-storing hitch for a single rear wheeled vehicle including a generally C-shaped support having opposite ends pivotally attached to the vehicle frame on opposite sides of the single rear wheel. The support carries a hitch plate and is movable between... | 12/29/1987 |
| 4308919 | Hinge-type offset wheel harrow Two gang disc harrow units are pivotally joined near corresponding ends by a vertical axis hinge coupling. Near their opposite corresponding ends, the harrow units are connected by a collapsible toggle linkage which operates in a horizontal plane under in... | 01/05/1982 |
| 4214634 | Arrangement for coupling a cultivating attachment to a cultivating machine An arrangement for coupling a cultivating attachment to a cultivating machine has a spring-suspended support articulately coupling a respective roller unit of the attachment to a main frame of the machine. The support includes elements for adjusting the r... | 07/29/1980 |
| 4106568 | Chisel plow with adjustable towing tongue and gauge wheels A plow for chiselling the earth at substantial depths, including a framework having a plurality of arcuate chisel blades mounted thereon. A towing tongue is pivotally connected to the forward side of the framework, and a hydraulic piston and cylinder syst... | 08/15/1978 |
| 4036154 | Soil cultivating implements A rotary harrow or cultivator has a first frame portion linked to a second frame portion. The second frame portion supports rotary soil working members and a roller is adjustably connected to the rear of the second frame portion to govern the working dept... | 07/19/1977 |
