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| Patents for Springfield Tool Co. | |||||
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| Number | Date | Patentee | Title | Type | |
| 12,747 | Apr. 17, 1855 | C. Van Horn | Slide Rest for Lathes | metal lathe accessories and attachments | |
| 15,538 | Aug. 12, 1856 | C. Van Horn | Planing Metal | metal planers | |