Bizarre Patents
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 |
| 4254211 | Production of transfer material Transfer material is prepared by applying to a substrate a layer of a photosensitive material which is insoluble but swellable in the solvent used to develop the image and whose adhesion to the substrate increases on exposure to light, imagewise exposing ... | 03/03/1981 |
| 4177309 | Dry transfer materials Dry transfer materials, e.g. dry transfer lettering sheets, are made from a transparent or translucent carrier sheet indicia thereon (e.g. in printing ink or produced photographically) and a layer of adhesive over the indicia and on the carrier sheet in t... | 12/04/1979 |
