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| Patents for O. W. Minard | |||||
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| Number | Date | Patentee | Title | Type | |
| 14,696 | Apr. 15, 1856 | O.W. Minard | Improvement in Making Brass Kettles | metal spinning machines | |
| 28,101 | May 01, 1860 | O.W. Minard | Measuring-Tape | tape measures | |