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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 |
| 5253674 | Coolant corrosiveness indicator A fluid sensor for heat exchanger system includes a supporting device such as a tubular hose fitting for mounting the sensor in the system so that heat exchanging fluid circulated in the system comes into contact with the sensor. A window or sight glass i... | 10/19/1993 |
| 5181536 | Coolant corrosiveness indicator A fluid sensor for heat exchanger system includes a supporting device such as a tubular hose fitting for mounting the sensor in the system so that heat exchanging fluid circulated in the system comes into contact with the sensor. A window or sight glass i... | 01/26/1993 |
| 5127433 | Coolant corrosiveness indicator A fluid sensor for heat exchanger system includes a supporting device such as a tubular hose fitting for mounting the sensor in the system so that heat exchanging fluid circulated in the system comes into contact with the sensor. A window or sight glass i... | 07/07/1992 |
| 5036911 | Embossed plate oil cooler A plate and fin type heat exchanger is disclosed for cooling automotive engine oil, transmission fluid and power steering fluid. The heat exchanger is formed of a plurality of stacked plate pairs with louvered fins located therebetween. The plate pairs ar... | 08/06/1991 |
| 4441547 | Radiator mounting fittings Fittings for the mounting of a radiator to the metalwork of an automotive vehicle, or for mounting attachments such as fan shrouds or cooling fans, are suitably positioned within the core of the radiator and attached in position during the bonding cycle f... | 04/10/1984 |
| 4351390 | Retaining clips for gasketed tanks on heat exchangers A clamping device on heat exchangers that will mechanically force mating parts together to prevent fluid leakage. The clamping device comprises one or more mechanically formed clips or clamps sprung around the rims of mating parts with sufficient force to... | 09/28/1982 |
| 4234040 | Two fluid heat exchanger A two fluid heat exchanger adapted for utilization in an exhaust gas recirculation system of an automotive internal combustion engine to reduce the temperature level of the exhaust gas from the combustion cycle that is metered from the exhaust manifold an... | 11/18/1980 |
