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| Patents Granted on 1850-12-24 | |||||
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| Number | Date | Patentee | Title | Type | |
| 7,852 | Dec. 24, 1850 | T.H. Burridge | Means for Preventing BackLash in the Feed-Motion of Planing Machines | metal planers | |
| 7,862 | Dec. 24, 1850 | J.N. Walker | Mill for grinding | grist mills | |