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| Patents for H. C. Hollingshead | |||||
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| Number | Date | Patentee | Title | Type | |
| 155,485 | Sep. 29, 1874 | J. Bedman | Pipe-Wrenches | pipe wrenches | |
| 157,115 | Nov. 24, 1874 | J. Bowers | Ratchet-Wrenches | ratchet wrenches | |