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| Number | Title | Issue Date |
| 6398435 | Marking press device for producing raised symbols with or without coloring A marking press device having a pair of type arms that face each other to interpose a workpiece to be marked therebetween, a type fixed on each of said type arms for making a mark thereof, a circular type assembling member around which a plurality of said... | 06/04/2002 |
| 6135022 | Lightweight marking device Lightweight, programmable marking apparatus for moving a marking head to coordinate positions utilizing two fixed stepper motors performing in conjunction with a belt and pulley drive and cam drive systems. The dynamics of pneumatically driven marking pin... | 10/24/2000 |
| 6099177 | Engraving head An engraving head that includes a movement mechanism for moving an engraving stylus within the body housing of the engraving apparatus is provided. The movement of the engraving stylus causes the tip of the engraving stylus to approach and recede from an ... | 08/08/2000 |
| 4848942 | Method and apparatus for marking on an arcuate surface A marking device includes a plurality of individual marking pin assemblies. Each marking pin assembly is spaced an angular distance from each adjacent marking pin assembly in the marking device to form a generally fan-shaped array. An arcuate object to be... | 07/18/1989 |
