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| Patents for James Thomas | |||||
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| Number | Date | Patentee | Title | Type | |
| 163,834 | May 25, 1875 | J.A. Wilson, E.D. Noble | Improvement in saw-filing machines | saw sharpening machines | |
| 662,835 | Nov. 27, 1900 | J. Thomas, W.R. Thomas | Mandrel | mandrels and arbors | |