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| Patents Granted on 1827-04-10 | |||||
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| Number | Date | Patentee | Title | Type | |
| 4,733X | Apr. 10, 1827 | R.L. Stevens | Water wheel for steam boats | steamboats | |
| 4,734X | Apr. 10, 1827 | J. Grant | Machine for setting up hat bodies | milliner | |