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| Patents for Eleazer Cady | |||||
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| Number | Date | Patentee | Title | Type | |
| 5,454X | Apr. 15, 1829 | E. Cady, B. Lapham | New and Useful Machine for the Forming and Constructing of Hat Bodies | hat making machines | |
| 5,770X | Jan. 06, 1830 | E. Cady | Weighing boats and cargoes, called the tonnage meter | scales and balances | |