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| Patents for Peter O. Voorheis | |||||
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| Number | Date | Patentee | Title | Type | |
| 196,102 | Oct. 16, 1877 | G.W. Rodebaugh | Improvement in saw-mill dogs | sawmill dogs | |
| 203,196 | Apr. 30, 1878 | G.W. Rodebaugh | Improvement in gates | ||