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| All Patents in class 144/144.3 | |||||
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| Number | Date | Patentee | Title | Type | |
| 602,887 | Apr. 26, 1898 | A. Wache | Carving-machine | carving machines | |
| 659,461 | Oct. 09, 1900 | F.D. Van Norman | Engraving and die-sinking machine | die sinkers | |