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| Patents for Robert McCulloch | |||||
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| Number | Date | Patentee | Title | Type | |
| 4,770X | May 26, 1827 | T.T. McCulloch, R. McCulloch | Mode of letting the water on water wheel | water wheels | |
| 20,870 | Jul. 13, 1858 | P. Engmann, H. Featherstone | Sawing machine | circular sawmills | |