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| Patents for Eleazer Sprague | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,304X | May 09, 1810 | E. Sprague | Machine for cutting fur from peltry | ||
| 1,305X | May 09, 1810 | E. Sprague | Shearing cloth | splitting and shearing machinery | |