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| All Patents in class 112/201 | |||||
| Number | Date | Patentee | Title | Type | |
| 33,085 | Aug. 20, 1861 | C. Hodgkins | Improvement in sewing-machines | sewing machines | |
| RE2,745 | Aug. 20, 1867 | C. Hodgkins | Improvement in sewing machines | ||