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| Patents for Frank L. Ourand | |||||
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| Number | Date | Patentee | Title | Type | |
| 132,789 | Nov. 05, 1872 | Q.S. Backus | Improvement in wrenches | quick adjust wrenches | |
| 144,547 | Nov. 11, 1873 | E.H. Kelly | Watchmakers' Lathes | watchmakers lathes | |