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| Patents Granted on 1844-12-19 | |||||
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| Number | Date | Patentee | Title | Type | |
| 3,862 | Dec. 19, 1844 | J.H. Stevens | Machine for preparing wood for making boxes | box making machines | |
| 3,863 | Dec. 19, 1844 | G. Stickney | Machine for Planing or Dressing the Knuckles of Butt-Hinges on Their Inner Sides | metal planers | |