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| All Patents in class 492/47 | |||||
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| Number | Date | Patentee | Title | Type | |
| 135,224 | Jan. 28, 1873 | S. Inman | Improvement in feed-rolls for planing machines | wood planers | |
| 314,470 | Mar. 24, 1885 | S.B. Pierce | Saw-mill roller | sawmill accessories | |
| 1,517,235 | Nov. 25, 1924 | W.H. Collier, A.J. Vance | Drier for veneer and the like | veneer machines | |
| 2,963,833 | Dec. 13, 1960 | J.R. MacIntosh, S.A. Mercurio | Expansible wheel and hub structure | grinding wheels | |