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| Patents for Frederick J. Seymour | |||||
| Number | Date | Patentee | Title | Type | |
| 97,234 | Nov. 23, 1869 | F.J. Seymour | Spinning Sheet Metal Tubes | metal spinning machines | |
| 134,938 | Jan. 14, 1873 | F.J. Seymour | Machines for Making Brass Kettles and Other Hollow Ware | metal spinning machines | |