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| All Patents in class 451/526 | |||||
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| Number | Date | Patentee | Title | Type | |
| 8,434X | Oct. 06, 1834 | O. Stone | Saw-mill strap | band sawmills | |
| 9,287X | Dec. 15, 1835 | W. Child | Application of polishing slate for sharpening razors | ||
| 581,787 | May 04, 1897 | G. Stickley | Sandpapering-wheel | sanding machines | |