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| Patents for Silas C. Schofield | |||||
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| Number | Date | Patentee | Title | Type | |
| 555,586 | Mar. 03, 1896 | S.C. Schofield | Frame for grindstones | sharpening machines | |
| 709,178 | Sep. 16, 1902 | S.C. Schofield | Tool Holder and Guide for Grindstones | grinding machines | |