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| Patents for Lewis P. Croswell | |||||
| Number | Date | Patentee | Title | Type | |
| 340,488 | Apr. 20, 1886 | C.A. Funk, L.P. Croswell | Wrench | pipe and nut combination wrenches | |
| 367,703 | Aug. 02, 1887 | L.P. Croswell | Wrench | pipe jaw attachments for wrenches | |