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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 |
| 4078905 | Edge-rounding method and apparatus therefor A method and an apparatus for rounding edges of workpieces by carrying the workpieces on a conveyor, rounding by a first pair of rotary buffs the edge portions of each workpiece being conveyed which are opposed to the resultant feed directions of the buff... | 03/14/1978 |
| 4070797 | Nitrogen-free anionic and non-ionic surfactants in a process for producing a haze-free semiconduct Process for making haze-free surfaces of semiconductor bodies which comprs a first step of polishing the surface by means of a polishing agent containing at least one member of the group consisting of quartz, silica, silicates and fluosilicates, and a se... | 01/31/1978 |
| 4040896 | Chemical polish for BaF2 and CaF2 Disclosed are a method and the chemical solutions (a blend of H2 SO..4 and CH3 COOH) employed for producing high quality crystal surfaces on CaF2 and BaF2 by a chemical polishing cycle that follows a multistage... | 08/09/1977 |
| 3962834 | Method of producing a pitted, porous electrodeposited chromium coating A simple and more efficient process is provided for producing deep, non-connected pit type, porous chromium surfaces with more constant and uniform characteristics. A substrate is initially electroplated with an excess of chromium having predetermined phy... | 06/15/1976 |
| 3947887 | Transducer head contour and method of generating same A head assembly for reading and writing data upon the magnetizable surface of passing tape. In its initial form the contour of the head comprises four bearing areas separated by three grooves or depressions. The outboard two of the four bearing areas are ... | 03/30/1976 |
| 3940889 | Method for sharpening rotary blades A generally rectangular, elongated, rotary cutting blade work piece which is to be sharpened on oppositely facing, opposite end portions is conveyed on a flat horizontal path in direction transverse to its longitudinal axis through a grinding and deburrin... | 03/02/1976 |
