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| Patents for E. H. Williams | |||||
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| Number | Date | Patentee | Title | Type | |
| 62,591 | Mar. 05, 1867 | E.C. Atkins | Improvement in machines for tempering saws | tool making machines | |
| 235,374 | Dec. 14, 1880 | C. Morrill | Saw-Set | saw sets | |