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| Patents Granted on 1826-03-25 | |||||
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| Number | Date | Patentee | Title | Type | |
| 4,372X | Mar. 25, 1826 | W. Barker | Slitting timber machine | other wood sawing machines | |
| 4,373X | Mar. 25, 1826 | C. Berry, A. Berry | Combined pendulum and balance lever | clockmaker | |
| 4,374X | Mar. 25, 1826 | I. Garretson (Garrettson) | Mode of applying steam, wind, and water as a power | ||