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| Patents for Roy H. Smead | |||||
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| Number | Date | Patentee | Title | Type | |
| 721,966 | Mar. 03, 1903 | I.M. Thurlow, D.C. Prescott | Band-saw mill | band sawmills | |
| 973,588 | Oct. 25, 1910 | I.M. Thurlow | Sawmill setting and receding mechanism | sawmill set works | |