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| Patents for W. H. Hewson | |||||
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| Number | Date | Patentee | Title | Type | |
| 428,518 | May 20, 1890 | P. Payette | Saw-mill dog | sawmill dogs | |
| 451,162 | Apr. 28, 1891 | P. Payette | Edging-machine | circular ripsaws | |