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| Patents for Jno. D. Patten | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 169,736 | Nov. 09, 1875 | G.F. Simonds | Improvement in Tempering and Forming Articles of Steel | |
 | RE7,910 | Oct. 16, 1877 | B.C. Bradley | Wrench | |
 | 198,544 | Dec. 25, 1877 | G. Kettlewell | Wrench | |