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| Patents for R. S. Hutchinson | |||||
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| Number | Date | Patentee | Title | Type | |
| 676,848 | Jun. 18, 1901 | C.S. Prescott | Steam-engine valve | steam engine valves | |
| 694,780 | Mar. 04, 1902 | C.S. Prescott | Steam set-works | sawmill set works | |