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| Number | Title | Issue Date |
| 5222431 | Electrical stamp device capable of displaying an image layout, and which uses a stencil paper A stamp device employs a heat sensitive stencil paper which includes a thermoplastic film and a porous carrier. The heat sensitive stencil paper is perforated by a thermal head according to characters, symbols, figures, etc. of an image input from an inpu... | 06/29/1993 |
| 4957378 | Printing-plate preparation apparatus employed in screen printing machine including a non-adhesive platen surface and a manuscript reading unit. In a printing-plate preparation apparatus employed in a screen printing machine comprising a thermal printhead provided with a heating-element portion, a rotatably supported platen roller for delivering a stencil paper and urging the same against a surfac... | 09/18/1990 |
| 4415284 | Thermal die-cutting machine for die-cutting letters, numerals and other characters from plastic tape An improved machine for heating and die cutting plastic tape to form letters, numerals and other characters is disclosed which includes a rotatable disc-shaped print plate which defines a plurality of raised characters spaced in a circle on and around one... | 11/15/1983 |
