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Patents for F. Olcott | |||||
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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 |