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| All Patents in class 112/194 | |||||
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| Number | Date | Patentee | Title | Type | |
| 4,750 | Sep. 10, 1846 | E. Howe, Jr. | Sewing Machine | sewing machines | |
| 28,371 | May 22, 1860 | S. Huffman | Improvement in Sewing-Machines | sewing machines | |
| 60,418 | Dec. 11, 1866 | F.A. Pratt | Improvement in sewing-machines | ||