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| All Patents in class 241/83 | |||||
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| Number | Date | Patentee | Title | Type | |
| 8,653X | Feb. 20, 1835 | W.P. Wing | Spindle, bush, ring, and ball for mills | ||
| 9,359X | Feb. 05, 1836 | W. McCreight, J. McCreight | Grist mill | grist mills | |
| 432,550 | Jul. 22, 1890 | G.T. McLauthlin | Bark Mill | bark processing machines | |