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| All Patents in class 409/324 | |||||
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| Number | Date | Patentee | Title | Type | |
| 115,934 | Jun. 13, 1871 | J.M. Conner | Improvement in Machines for Ornamenting Printers Rules | making rules | |
| 293,675 | Feb. 19, 1884 | F.P. Rosback | Metal Planer | metal planers | |
| 513,869 | Jan. 30, 1894 | G. Bird | Planing Machine | metal planers | |
| 681,926 | Sep. 03, 1901 | F.R. Patch | Double Platen Planer | stone cutting machines | |