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| Patents for John F. Thomas | |||||
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| Number | Date | Patentee | Title | Type | |
| 108,535 | Oct. 18, 1870 | J.F. Thomas | Chuck | metal lathe chucks | |
| 270,916 | Jan. 23, 1883 | W. Baker, J.F. Thomas | Device for Truing Axles | portable turning tools | |