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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 |
| 4328292 | Photocured tubular battery electrode and method of making same A photocurable tubular electrode (10) and means (30) for fabricating same is disclosed. In one embodiment, a glass braid (66), saturated with a photocurable resin, is partially cured in the presence of visible light. The still flexible braid (66) is then ... | 05/04/1982 |
| 4303746 | Storage battery construction including bonded plate assembly and methods of making same A storage battery is constructed with a casing in which is contained an electrolyte and positive and negative plate means. The positive plate means includes a grid structure having a top bar and depending spines, active material, and braided or woven tubu... | 12/01/1981 |
| 4279974 | Solid electrolytic material and use thereof The present invention will provide storage batteries, which may be solid electrolytic batteries, and an ionically conductive crystalline solid separator useful in electrical devices. The present invention is characterized by the use of partitioning membra... | 07/21/1981 |
| 4276359 | Lead-acid battery with tubular plate electrode A tubular plate for electrical lead acid accumulators comprises tubes formed of porous fibrous material having a shape such that the ratio of volume to surface area of active material is no greater than 0.20 times the thickness of the tube taken in a dire... | 06/30/1981 |
| 4252871 | Tubular support sleeve for lead-acid storage battery A tubular support sleeve for tubular storage battery plates comprises a seamless helical tubular lattice structure of fusible flat reinforced thermoplastic tapes, the tapes being fused to one another at their points of intersection. The tapes may be in th... | 02/24/1981 |
| 4252872 | Granulated lead oxides with teflon An improvement in the production of tube electrodes for lead storage batteries comprising mixing a small amount (0.1 to 3 weight percent) of polytetrafluoroethylene (PTFE) with lead powder, the mixture is heated and shear stresses are applied thereto suff... | 02/24/1981 |
| 4250233 | Tubular plates for lead storage batteries A tubular plate comprising oval tubes aligned parallel to one another, each containing two spaced grid rods of a corrosion-resistant lead alloy as current conductors. The rods of the individual tubes are joined to form a grid having a connecting part at t... | 02/10/1981 |
| 4205709 | Metal fabric cell plates for alkaline cell accumulators A woven fabric cell plate for alkaline cell accumulators, which alternates in at least one of the warp and weft directions between areas of double layer and areas of combined single layer. The active mass of the accumulator is retained between the layers ... | 06/03/1980 |
| 4160068 | Storage battery A high power, low total energy storage battery is disclosed. The basic portion of the battery is a honeycomb separator which defines a plurality of rather small compartments. Alternate compartments throughout the separator are made to be anode compartment... | 07/03/1979 |
| 4144115 | Method of fabricating battery electrode sheaths A sheath for a storage battery electrode comprises a braid or weave of inorganic fiber threads and a plurality of axial threads extending along the axial length of the sheath and forming crossing points with the inorganic threads. The axial threads compri... | 03/13/1979 |
| 4140839 | Tubelet pocket A tubelet pocket construction for holding the positive electrodes of accumulators and a method for making same comprises two pieces of a textile sheet material which are connected together by parallel longitudinal seams which define a plurality of paralle... | 02/20/1979 |
| 4127704 | Cylindrical electric cell A cylindrical electric cell which includes at least one positive electrode, at least one negative electrode disposed coaxially therewith and a device for maintaining the distance between these electrodes during discharge. In accordance with the invention,... | 11/28/1978 |
| 4071946 | Production of lead powder for tube electrodes An improvement in the preparation of dry lead powder mixtures for the production of tube electrodes for lead storage batteries to reduce the dust binding problem during filling of the tube electrodes is disclosed. A small amount (0.1 to 3 weight percent) ... | 02/07/1978 |
| 4061843 | Battery plates There is disclosed an improved tubular battery plate comprising a porous envelope enclosing a current collector comprising an array of members extending perpendicularly from an end member which affords a current take off lug with active material disposed ... | 12/06/1977 |
| 4048398 | Battery electrode sheaths A sheath for a storage battery electrode comprises a braid or weave of inorganic fiber threads and a plurality of axial threads extending along the axial length of the sheath and forming crossing points with the inorganic threads. The axial threads compri... | 09/13/1977 |
| 4039730 | Storage battery electrode tubes and method of filling Tubular battery electrodes are filled with a mix of lead oxide, sulfuric acid and water to which electrolyte-resistant fibers have been added. These fibers strengthen the mass and reduce its tendency to escape through the pores of the tube envelope fabric... | 08/02/1977 |
| 4025701 | Lead storage battery electrode and method Tube plate type electrode for a storage battery where the metal rod of said tube is held centrally in a surrounding sheath by spacing fins. The surface of the spacing fins is coated with a lacquer to reduce the peak effect caused by high current density t... | 05/24/1977 |
| 4011369 | Electric storage battery electrode, and method for its manufacture A tube plate for a storage battery is formed from a grid of conductive rods that are surrounded by active material held in place by a sheath of insulating material. The conductive rods are centered in their respective sheaths by centering fins solely lyin... | 03/08/1977 |
| 4011370 | Methods and apparatus for closing the bottom ends of electrode tubes A battery electrode includes a plurality of sheaths. The base portion of a bottom strip is secured to bottom, open ends of the sheaths. The bottom strip also includes movable closure sections which can be swung open to allow filling of the sheaths with ac... | 03/08/1977 |
| 3950463 | Production of ଲ-alumina ceramic tubes Tubes of ଲ alumina ceramic are produced by forming a tube of compressed finely divided powder material, e.g. finely divided crystalline ଲ alumina or finely divided powders which together will form on heating the required ceramic. This tube is ... | 04/13/1976 |
| 3950186 | Envelope for the tubular electrodes of storage batteries Spacers for fabric electrode tubes are made by tying-off groups of warp threads of the fabric with weft threads of the same fabric. This forms ears which protrude beyond the fabric tube diameter.... | 04/13/1976 |
