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| Patents for Oliver B. Judd | |||||
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| Number | Date | Patentee | Title | Type | |
| 7,684 | Oct. 01, 1850 | O.B. Judd | Saw-gate | sawmills | |
| 8,757 | Feb. 24, 1852 | O.B. Judd | Sawmill | sawmills | |
| 17,099 | Apr. 21, 1857 | O.B. Judd | Saw Set | saw sets | |
| 17,153 | Apr. 28, 1857 | O.B. Judd | Saw-gummer | saw gummers | |