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| Patents for Ethel R. Nickerson | |||||
| Number | Date | Patentee | Title | Type | |
| 1,281,484 | Oct. 15, 1918 | W.S. Bellows | Ratchet Wrench | ratchet wrenches | |
| 1,282,028 | Oct. 22, 1918 | W.S. Bellows | Wrench-Socket | wrench sockets | |