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| Patents for Frank Kempsmith | |||||
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| Number | Date | Patentee | Title | Type | |
| 470,245 | Mar. 08, 1892 | T.L. Smith, F. Kempsmith | Tail-stock for milling-machines | milling machines | |
| 480,198 | Aug. 02, 1892 | T.L. Smith, F. Kempsmith | Milling Machine | metalworking machine mechanisms | |
| 538,260 | Apr. 30, 1895 | F. Kempsmith | Milling-machine | milling machines | |