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| Patents for James Westervelt | |||||
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| Number | Date | Patentee | Title | Type | |
| 14,757 | Apr. 29, 1856 | T.J. Alexander | Sawing machine | tablesaw accessories | |
| 17,860 | Jul. 28, 1857 | T.J. Alexander | Feeding arrangement for sawing machines | circular sawmills | |
| 17,861 | Jul. 28, 1857 | T.J. Alexander | Method of driving circular saws | circular sawmills | |