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| Patents for James Dunn | |||||
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| Number | Date | Patentee | Title | Type | |
| 18,651 | Nov. 17, 1857 | J. Vaughan | Method of adjusting band-saws to circular stocks | wheelwright | |
| 84,410 | Nov. 24, 1868 | J.T. Campbell | Improvement in Nut Planers | nut or bolt making machines | |