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| Patents for Henry Sylvester | |||||
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| Number | Date | Patentee | Title | Type | |
| 59,792 | Nov. 20, 1866 | D. Drawbaugh | Improvement in faucets | faucets | |
| 59,793 | Nov. 20, 1866 | D. Drawbaugh | Improvement in faucets | faucets | |