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| Patents for Edward Williams | |||||
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| Number | Date | Patentee | Title | Type | |
| 97,098 | Nov. 23, 1869 | T. Loring | Improvement in grindstones | sharpening apparatus | |
| 125,403 | Apr. 09, 1872 | J.E. Mitchell | Improvement in tools for turning stone | mill stone dressers | |