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| Patents for Charles H. Robinson | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 72,724 | Dec. 31, 1867 | F.S. Dawes | Improved Heel-Shave for Boots and Shoes | |
 | 133,185 | Nov. 19, 1872 | G.W. Baker | Improvement in machines for turning logs | |
 | 406,957 | Jul. 16, 1889 | C.H. Robinson | Vise | |