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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 |
| 5304322 | Cleaning solvent for aircraft hydraulic fluid An environmentally compliant cleaning solvent for removing commercial aircraft hydraulic fluid comprises from about 25 to 35 volume percent perfluorocarbon with from about 4 to 8 carbons in the alkyl chain, from about 25 to 35 volume percent hydrochlorofl... | 04/19/1994 |
| 5271581 | Window clip for aircraft A window clip for attaching window panes to aircraft supporting structures comprises a clip body which has an outwardly bent flange at the bottom which applies pressure to the inner pane of an aircraft window and an inwardly bent u-shaped platform at the ... | 12/21/1993 |
| 5249785 | Reconfigurable holding fixture A reconfigurable fixture for holding a plurality of workpieces in proper position for manufacturing. The fixture includes an array of interleaved uniformly spaced contoured headers, with a predetermined set of headers corresponding to a predetermined work... | 10/05/1993 |
| 5240361 | Limited force cartridge for temporary fasteners A force limiting cartridge comprises a housing and end cap which screw together to contain a slidable piston biased by a coil spring. The cartridge surrounds a conventional pull-up clamp. The bottom end of the cartridge pushes against the top layer of the... | 08/31/1993 |
| 5233855 | Polymeric anti-extrusion rings for elastomeric swaging Polymeric anti-extrusion rings are provided for internal cooling of a drawbolt swaging apparatus. One such ring is located on either side of an elastomeric expansion sheath on a drawbolt. There rings are formed of polymeric material which has low creep, h... | 08/10/1993 |
| 5161757 | Extending bent shaft flap drive Novel means for deploying airplane wing flaps feature a bent shaft which is translatable fore and aft in the fairing cavity. The shaft has an adjacent follower member which travels in a concentric curved flap track to rotate shaft as it extends. The bent ... | 11/10/1992 |
| 5127265 | Flame resistant pitot probe cover A flame and heat-resistant cover for airplane pitot tubes comprises a woven tube of fire-resistant fibers. The front of the tube is gathered and it is sown with a fire-resistant, non-abrasive thread.... | 07/07/1992 |
| 5065959 | Vibration damping aircraft engine attachment Means for mounting an engine to an aircraft are provided which reduce the dynamic response of the airframe due to engine vibration. A mount comprises at least one strut extending between the engine and the airframe which is attached to the airframe by mea... | 11/19/1991 |
| 4894127 | Method for anodizing aluminum A controlled method of anodizing aluminum comprises formation of an aqueous solution of sulfuric and boric acids, immersion of a workpiece in the solution maintained at about room temperature and controlled application of voltage to achieve a current dens... | 01/16/1990 |
