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| All Patents in class 72/347 | |||||
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| Number | Date | Patentee | Title | Type | |
| 78,105 | May 19, 1868 | N.C. Lombard, M. Bray | Improved machine for forming sheet-metal ware | stamping presses | |
| 359,898 | Mar. 22, 1887 | L.F. Smith | Machine for Drawing Metal Tubes | metalworking machines | |