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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 |
| 5092716 | Drill and method for using the same A design of a drill and a method for using the same are disclosed. A groove is formed on the outer periphery of an adapter which is connected to the electric motor. A fluid supply line is also formed on the adapter so as to lead fluid to the groove. Openi... | 03/03/1992 |
| 5074179 | Vibration damper for rotary cutter A vibration damper for a rotary cutter is disclosed. The rotary cutter has a rotary saw blade and a guard for covering the rotary saw blade. The vibration damper is disposed inside the guard and has a contact member which contacts the rotary saw blade.... | 12/24/1991 |
| 4727778 | Method of manufacturing of cutting tool A method of attaching segments to the body of a cutting tool, such as a diamond saw blade, is initiated by inseparably coupling the segments to their respective interposed members by sintering. The interposed members are made of iron, cobalt, or other met... | 03/01/1988 |
| 4586857 | Hole cutter A hole cutter having a generally cylindrical body provided with a plurality of first and second cutting teeth around its lower end. Each of the first cutting teeth has a bottom surface defining along its front edge at least two cutting edges which are sep... | 05/06/1986 |
| 4573838 | Hole cutter A hole cutter having a generally cylindrical cutter body provided around its lower end with a plurality of first cutting teeth each having a plurality of cutting edges, and a plurality of second cutting teeth adapted to scrape a surface cut by the first c... | 03/04/1986 |
