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| Number | Title | Issue Date |
| 4461082 | Engraving machine The frame of an engraving machine supports a slide for movement in a first horizontal direction. A pantograph is pivoted to the slide for movement about a vertical axis. A tool holder is supported by the pantograph. The tool holder is prevented from pivot... | 07/24/1984 |
| 4448120 | Calligraphic apparatus and method and engraving tool for use in connection therewith Disclosed herein are an attachment, method, and apparatus for producing calligraphic lettering. The attachment, method, and apparatus involve supporting a calligraphic lettering implement such that the lettering implement does not rotate relative to a wor... | 05/15/1984 |
| 4369701 | Calligraphic apparatus and method Disclosed herein are an attachment, method, and apparatus for producing calligraphic lettering. The attachment, method, and apparatus involve supporting a calligraphic lettering implement such that the lettering implement does not rotate relative to a wor... | 01/25/1983 |
| 4166319 | Illuminated engraving machine Engraving apparatus for engraving the inner periphery of a circular object such as a ring or band is provided with a tool holder which supports the engraving tool. A fiber optic bundle is supported by the tool holder and has one end exposed adjacent the e... | 09/04/1979 |
| 4136453 | Engraving machine An engraving machine is disclosed for engraving articles in a manner which automatically causes relative rotation between an engraving tool and the article support means as a function of the width of a digit (letter of alphabet or numeral) to be engraved ... | 01/30/1979 |
