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Patents for Jonathan Swan | |||||
Number | Date | Patentee | Title | Type | |
2,168X | Jul. 05, 1814 | J. Swan | Ploughs | plows | |
2,220X | Nov. 09, 1814 | J. Swan, R. Tousley | Bull plough | plows | |
3,856X | Apr. 24, 1824 | J. Swan | Cast iron cutter for ploughs | plows |