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| Patents for James H. Bostwick | |||||
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| Number | Date | Patentee | Title | Type | |
| 8,663 | Jan. 13, 1852 | A. Babbett, A. Sherwood | Turning prisms, &c. | wood lathes | |
| 10,412 | Jan. 10, 1854 | W.G. Merrell | Machine for cutting ellipses | wood lathes | |