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| All Patents in class 300/18 | |||||
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| Number | Date | Patentee | Title | Type | |
| 138,617 | May 06, 1873 | H.M. Crippen | Swaging Machines | metal swaging machines | |
| 217,359 | Jul. 08, 1879 | R. Fitts | Improvement in chair-seat presses | chair maker | |