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| Patents Granted on 1852-12-21 | |||||
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| Number | Date | Patentee | Title | Type | |
| 9,495 | Dec. 21, 1852 | A.A. Wilder | Planing-machine | wood planers | |
| 9,496 | Dec. 21, 1852 | W.H. Woodworth | Method of Measuring Cloth on the Cloth Beam | textile machines | |