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| Patents for Sumner J. Leonard | |||||
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| Number | Date | Patentee | Title | Type | |
| 539,919 | May 28, 1895 | S.J. Leonard | Chip-breaker | wood planers | |
| 547,792 | Oct. 15, 1895 | S.J. Leonard | Tension device for saws, &c. | scrollsaws | |