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| Patents for James Du Shane | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 267,505 | Nov. 14, 1882 | J. Du Shane | Wrench | |
 | 296,942 | Apr. 15, 1884 | J. Du Shane | Wrench | |
 | 331,188 | Nov. 24, 1885 | J. Du Shane | Rapid Transit Monkey Wrench | |
 | 331,189 | Nov. 24, 1885 | J. Du Shane | Rapid Transit Wrench | |