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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 |
| 4534251 | Stripping assembly for noodle cutting machinery Improved stripping mechanism for noodle cutting machinery including a resilient spring support member in the shape of a "W" for positioning replaceable multitoothed comb assemblies in operative proximity with noodle cutting rollers for stripping severed n... | 08/13/1985 |
| 4518141 | Ceiling mounting assembly Improved mounting fixture for ceiling mounted electric fans and like objects including a pair of opposingly displaceable joist-engagement blocks mounted on the ends of a threaded support member.... | 05/21/1985 |
| 4501575 | Multi-speed transmission for BMX bicycles and the like A two speed rear wheel hub transmission for BMX bicycles and the like that can be utilized as original equipment or as a conversion kit. High and low speed drive sprockets are mounted with intermediary overrunning clutches on the rear wheel hub of a BMX b... | 02/26/1985 |
| 4437000 | Aperture piece and method for calibrating backscatter thickness measuring instruments for measuring concave workpieces An aperture piece to be used in conjunction with backscatter instruments for measuring the thickness of a coating on a substrate of a concave workpiece. The aperture piece being selectively shaped so that a sample support surface, including an aperture th... | 03/13/1984 |
| 4419905 | Bicycle transmission A collar on the drive shaft of a bicycle pedal hub is mounted with means to displace the collar longitudinally along the shaft. The displacement is accomplished by a limited reverse rotation of the pedals and shaft. The direction of the displacement may b... | 12/13/1983 |
| 4387831 | Container for dispensing articles carried on a web A dispenser for dispensing articles carried on a web, the dispenser comprising a web, articles carried on the web, and a container for containing the web, the container having an aperature in a wall thereof for permitting the discharge of the web therefro... | 06/14/1983 |
| 4383740 | Infinity image visual display system An infinity image visual display system comprising an input image source, a concave projection mirror, a concave eyepiece mirror and a single path-folding beamsplitter. The projection mirror images the input image source at the focal surface of the eyepie... | 05/17/1983 |
| 4377974 | Printing blanket holding bar A printing blanket holding bar adapted for insertion into a channel longitudinally extending along the periphery of a reel, the channel having a pair of flat, generally parallel side walls extending from the periphery of the reel, said holding bar compris... | 03/29/1983 |
| 4376885 | Process and apparatus for producing a ring unit for the valve parts of labyrinth valves For producing the seat or valve member of a labyrinth valve a number of rings of different diameter are placed one inside the other as a workpiece with their blade-like edges turned in the same direction. The group of rings is then slipped over the middle... | 03/15/1983 |
| 4376394 | Manually operable multi-speed bicycle transmission A multi-speed bicycle transmission located at the drive pedal hub and manually actuatable shifting assembly therefor. The shifting assembly further includes a slidable collar mounted on and rotatable in conjunction with the drive pedal shaft within the dr... | 03/15/1983 |
| 4373563 | Sawing of lumber from logs The sawing of an elongated workpiece, such as a log or cant, is effected by feeding the workpiece longitudinally through a saw; sensing the longitudinal configuration of a longitudinal side surface of the workpiece on one side only of the workpiece as the... | 02/15/1983 |
| 4373029 | Device for cultivation of matrix-bound biologic cell systems Improved apparatus for cultivation of matrix-bound biologic cell systems on microcarrier particles within a replenishable nutrient medium providing controlled three dimensional displacement of a culture vessel and its contents to effect uniform cell expos... | 02/08/1983 |
| 4372821 | Emission control apparatus Improved system for controlling means attendant the discharge of coke ovens and for collecting particulate matter associated therewith by venting the exhaust gases through fabric filter means.... | 02/08/1983 |
| 4371430 | Electrodeposition of chromium on metal base lithographic sheet Electrodeposition of chromium of selectively constituted crystalline character and grain texture on metal substrates, such as aluminum or steel base lithographic sheet to provide improved and directly chromium plated aluminum or steel base lithographic sh... | 02/01/1983 |
| 4347282 | Chemical carbonless copy paper and transfer medium therefor An improved chemical carbonless copy paper system including an improved hot melt type of coating for CB type pressure sensitive carbonless copy paper having discrete liquid droplets of metallic salt solution electron accepting chromogenic reagent material... | 08/31/1982 |
| 4344781 | Filter bag with protective cuff A filter bag having a protective cuff adjacent the closed "free" end of the filter bag for protecting the "free" end from abrasion damage. The protective cuff is preferably formed of a band of material attached circumferentially to the outer wall of the f... | 08/17/1982 |
| 4343494 | Carbonless copy paper system An improved chemical carbonless copy paper system including an improved hot melt type of coating for one surface of pressure sensitive carbonless copy paper having discrete liquid droplets of metallic salt solution electron accepting chromogenic reagent m... | 08/10/1982 |
| 4343092 | Probe guide and holder A probe guide for holding a coating thickness measurement probe in contact with a coated workpiece such that repeatable thickness measurements may be made without the necessity of the user manually positioning the probe head for proper contact. The probe ... | 08/10/1982 |
| 4328940 | Method of electrostatically enhancing deposition of air borne spray materials A method of spraying electrically charged particulate material to ground from a low flying airplane. The method includes the steps of imposing an electrical charge of given polarity upon an emitted primary spray of particulate material of sufficient magni... | 05/11/1982 |
| 4327939 | Chemical carbonless copy paper and image receptor medium therefor Improved receptor or CF coating composition for chemical carbonless copy paper employing spirit blue in carbinol form as a dye precursor type chromogenic reagent material.... | 05/04/1982 |
| 4305312 | Bicycle transmission A multi-speed bicycle transmission located at the drive pedal hub and including a drive pedal actuatable shifting assembly for effecting gear change in response to limited reverse rotation of the drive pedal shaft at a pair of predetermined locations in t... | 12/15/1981 |
| 4283969 | Bicycle transmission This invention relates to multi-speed bicycle transmissions and more particularly to an improved, pedal hub located and drive pedal responsive multi-speed bicycle transmission system.... | 08/18/1981 |
| 4270935 | Filter assembly for high temperature glass fiber filter media An improved filter assembly for high temperature dust collection operations including a rigid cylindrical open framework retainer member depending from an aperture in a tube sheet separating dirty and clean air plenums. Surrounding the open framework reta... | 06/02/1981 |
| 4251171 | Drilling accessory A drilling accessory for collecting dust and other debris when drilling a hole in a workpiece. The accessory having a handle for hand holding the device and a hollow open ended dust collector attached to the handle. One end of the dust collector is provid... | 02/17/1981 |
| 4245189 | Probe assembly for measuring conductivity of plated through holes An improved probe assembly for measuring the conductivity of a plated through hole in a circuit board. The probe assembly having a longitudinal housing and including at the forward end thereof a segmented current injection electrode, each segment being sp... | 01/13/1981 |
| 4229652 | Backscatter apparatus and method for measuring thickness of a continuously moving coated strip of substrate material A backscatter measurement device for measuring the thickness of a coating on a strip of substrate material moving from a feed supply to a take up location at a predetermined speed. A measurement wheel is provided on the rim of which are mouted backscatter... | 10/21/1980 |
| 4226442 | Water insensitive image receptor coating A water insensitive image receptor coating composition for pressure sensitive carbonless type transfer media.... | 10/07/1980 |
| 4220310 | Extensible display mounting assembly The invention relates to an extensible display mounting device that includes a telescoping pole assembly that can be extended to an appropriate desired length and having at its extensible end selectively shaped fixtures for releasably positioning a magnet... | 09/02/1980 |
| 4210982 | Shrimp processing method Method and apparatus for processing shrimp and like arthropoda, comprising a housing, positively driven transport means disposed within the housing and containing a plurality of peripherally extending needles for engaging and impaling deheaded shrimp in a... | 07/08/1980 |
| 4190770 | Backscatter instrument having indexing feature for measuring coating thickness of elements on a continuously moving web of substrate material A backscatter measurement device for measuring the thickness of a coating on elements forming a web of substrate material moving from a feed supply to a take-up location at a predetermined speed. A measurement wheel is provided, adjacent to the rim of whi... | 02/26/1980 |
| 4187869 | Orthopedic device An orthopedic device for use as a "walker" for the aged or infirm. The orthopedic device having a tripod frame mounted on a U-shaped base element. Attached to the tripod frame are adjustable crutch-like shoulder support members and hand grips together wit... | 02/12/1980 |
| 4132835 | Pressure sensitive magnetic image transfer media Pressure sensitive magnetic image transfer media in the form of a thin film substrate having a thin layer of solvent evaporated residue of a liquid mixture incorporating substantially equal dispersed amounts of polyethylene homopolymer and magnetically se... | 01/02/1979 |
| 4129303 | Cubic game board A game board for adversary move and countermove type games in the form of a cube presenting six playing surfaces each including a plurality of holes arranged in a rectangular matrix pattern of not less than three by three nor more than five by five holes ... | 12/12/1978 |
| 4069598 | Sport shoe A sport shoe construction of the type where a shell edge band peripherally overlies at least a portion of the marginal edge of the shoe outersole and the adjacent marginal edge portion of the upper shaft material, the incorporation of a plurality of mecha... | 01/24/1978 |
| 4051804 | Thaw-indicator device Thaw-indicator for frozen articles including a V-shaped transparent elastomeric tube having its inner wall surfaces disposed in liquid tight interfacial engagement at the apex of the V by a removable band and defining a pair of closed liquid containers, a... | 10/04/1977 |
