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| Patents for Robert Hall McCormick | |||||
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| Number | Date | Patentee | Title | Type | |
| 166,020 | Jul. 27, 1875 | W.R. Baker, R.H. McCormick | Wrench | wrench jaw components | |
| RE7,173 | Jun. 13, 1876 | W.R. Baker, R.H. McCormick | Wrenches | nut wrenches | |