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| Patents for Charles Spofford | |||||
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| Number | Date | Patentee | Title | Type | |
| 15,859 | Oct. 07, 1856 | C. Spofford | Machine for cutting irregular forms | pattern lathes | |
| 122,674 | Jan. 09, 1872 | C. Spofford | Improvement in machines for chamfering the rails of wagon-bodies | wheelwright | |
| 410,299 | Sep. 03, 1889 | C. Spofford | Machine for cutting out concavo-convex shells or dishes | specialty woodworking machines | |