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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 |
| 7181820 | Method and apparatus for orientating a fastening element A receptacle which is configured to receive a fastener element having a hexagon, or some other polygonal profile, and which is configured to rotationally or angularly orientate the insert fastener element. One version of the receptacle provides that the receptacle i... | 02/27/2007 |
| 7114416 | Rotatively operating tool for rotatively operated member having a pair of engaging surfaces In a rotatively operating tool, a lever (5) having a head (4) at its tip end is turnably connected to a handle (6) provided at its tip end with a lower jaw (12). The head (4) is provided with an upper jaw (7) brought into en... | 10/03/2006 |
| 6971282 | Container opener A torquing device for assisting in the removal of a lid from a container. The device comprises a housing having a first engagement surface. Moveably mounted to the housing is an engagement member having a second engagement surface. The first and second engagement su... | 12/06/2005 |
| 6679138 | Bottle opener Bottle cap removal device with an opening therein to receive a bottle cap, including a top and a base which combine to provide an envelope for the bottle cap removal device and including an annular member and a surface opposed to the annular member operat... | 01/20/2004 |
| 5746097 | Wrench having a spring biased jaw A wrench for driving a fastener includes a fixed jaw formed on one end of a handle. A pivotal jaw is pivotally coupled to the handle at a pivot axle. A knob is slidably engaged on the handle. A resilient blade pivotally couples the knob to the pivotal jaw... | 05/05/1998 |
| 5706710 | Reversible/adjustable spanner A reversible/adjustable spanner includes an elongate body having a handle and a fixed jaw, a release button mounted above the body, a movable jaw, and an adjusting member. A substantially U-shaped plate is connected to the release button to move therewith... | 01/13/1998 |
| 5393036 | Continuously engaged tangential driving tool Wrench for continuous driving engagement with a rotatively driven element such as a screw, bolt or nut, which is particularly suitable for use where the ends of the driven element are not accessible and in applications where space for manipulation of the ... | 02/28/1995 |
| 5050464 | Multi-surface wrench A multi-surface wrench is provided which is automatically self-adjustable to capture nuts or bolts of differing sizes over a predetermined useful range. The multi-surface wrench is self-camming upon application of a torque producing or turning force and i... | 09/24/1991 |
| 4773287 | Open-ended ratchet wrench An open-ended ratchet wrench characterized by a handle pivotally carrying a stationary jaw, with a toggle jaw pivotally secured to the latter. The handle includes a cam at the jaw mounting end thereof which presents camming surfaces selectively functional... | 09/27/1988 |
