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| Patents for C. S. Bunnell | |||||
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| Number | Date | Patentee | Title | Type | |
| 355,146 | Dec. 28, 1886 | M. Deering | Power-hammer | trip and helve hammers | |
| 355,512 | Jan. 04, 1887 | M. Deering | Power-hammer | drop hammers | |