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| Patents for C. B. Long | |||||
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| Number | Date | Patentee | Title | Type | |
| 47,436 | Apr. 25, 1865 | C.B. Long | Improvement in Gear Cutting Rules | rules | |
| 979,073 | Dec. 20, 1910 | H.B. Keiper | Drilling-machine | drill presses | |