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| Patents for John C. Purkis | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 77,107 | Apr. 21, 1868 | T.A. Searle | Improvement in Wrenches | |
 | 135,073 | Jan. 21, 1873 | H.C. Bradford | Improvement in crank movements | |
 | 141,930 | Aug. 19, 1873 | A. Holbrook | Improvement in Mallets | |