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| Patents for Robert McCormick | |||||
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| Number | Date | Patentee | Title | Type | |
| 5,974X | Oct. 01, 1830 | R. McCormick | Hydraulic machinery | hydraulic machinery | |
| FX-6,145 | Oct. 01, 1830 | R. McCormick | Hydraulic machinery | piston pumps | |
| 6,145X | Oct. 01, 1830 | R. McCormick | Flax and hemp machine | flax and hemp machines | |