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| Patents for Grenville M. Stevens | |||||
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| Number | Date | Patentee | Title | Type | |
| 126,588 | May 07, 1872 | G.M. Stevens | Improvement in mitering-machines | miter boxes | |
| 140,853 | Jul. 15, 1873 | G.M. Stevens | Improvement in miter-boxes | miter boxes | |