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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 |
| 7293299 | Tank flush system A Recreational Vehicle tank flush system is provided in which the existing vent pipe to the blackwater tank is modified by attaching an introduction tee which provides a hookup to a source of flushing water and to a hose and sprayer which may be hung just inside the... | 11/13/2007 |
| 5249479 | Wrist mechanism for an industrial robot A wrist mechanism comprising a pipe 52 extended in relation to a front -axis among the three axes of motion (-axis, ଲ-axis, γ-axis) of a wrist, on a center axis A--A of turning motion through the center of an -axis reduction ge... | 10/05/1993 |
| 4626004 | Fluid swivel coupling A fluid swivel coupling is provided for interconnecting two fluid conduits so as to permit relative rotational movement between the interconnected fluid conduits about two axes at the coupling which are perpendicular to each other. The swivel coupling inc... | 12/02/1986 |
| 4337970 | Universal joint for multiple conduit system There is disclosed a universal joint for multiple conduit system wherein all of the conduits pass through the interior of the joint. The conduits which pass through the universal joint on axes offset from the pivot axes of the joint are provided with firs... | 07/06/1982 |
| 4311327 | Universal joint for multiple flowline system There is disclosed a universal joint for multiple flowline system wherein all of the conduits pass through the interior of the joint. The conduits whichpass through the universal joint on axes offset from the pivot axes of the joint are provided with flex... | 01/19/1982 |
