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| Patents for F. Olcott | |||||
| Number | Date | Patentee | Title | Type | |
| 95,793 | Oct. 12, 1869 | E. Granier | Improvement in Combined Tool | combination tools | |
| 100,944 | Mar. 15, 1870 | S. Sorrel | Material for making grinding wheels | ||
| 100,945 | Mar. 15, 1870 | S. Sorrel | Material for making grinding wheels | ||