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| All Patents in class 185/40C | |||||
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| Number | Date | Patentee | Title | Type | |
| 5,331 | Oct. 16, 1847 | M. Fisher, W. Martin, Jr. | Improvement in Welding Cast-Iron to Malleable Iron or Steel | blacksmith | |
| 54,815 | May 15, 1866 | B. Brazelle | Improved self-rocking cradle | beds and bedsteads | |
| 88,002 | Mar. 23, 1869 | G. Atkins | Improvement in the Manufacturing of Sheet Iron | tool making machines | |