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| Patents Granted on 1863-12-22 | |||||
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| Number | Date | Patentee | Title | Type | |
| 40,994 | Dec. 22, 1863 | R.J. Cole | Improvement in turning-lathes | wood lathes | |
| 41,034 | Dec. 22, 1863 | H.S. Vrooman | Improvement machines for sawing irregular forms | shipwright | |
| 41,039 | Dec. 22, 1863 | S. Head | Improved shingle-machine | shingle machines | |