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| All Patents in class 474/4 | |||||
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| Number | Date | Patentee | Title | Type | |
| 105,302 | Jul. 12, 1870 | M.P. Campbell | Improvement in saw-mills | sawmill carriages | |
| 669,251 | Mar. 05, 1901 | L.L. Filstrup, H.P. Schofield | Saw-sharpening machine | saw sharpening machines | |
| 1,953,132 | Apr. 03, 1934 | H.J. Renken | Power Transmission Apparatus | power transmissions | |